Coffee Cake

Coffee Cake
⏱️ cook time 50 minutes
🍽️ servings 8
⚡ Difficulty easy

intro

Tender, moist cinnamon-swirled cake with buttery crumb streusel, made to pair perfectly with hot coffee. A cozy, approachable bake for weekends and casual gatherings.

Ingredients

All-purpose flour 240 grams (2 cups, for cake batter)
Full-fat sour cream 240 ml (1 cup, room temperature)
All-purpose flour 30 grams (1/4 cup, for streusel)
Light brown sugar 100 grams (1/2 cup, packed, for streusel)
Ground cinnamon 2 teaspoons (for streusel)
Unsalted butter 28 grams (2 tablespoons, cold cubed, for streusel)
Baking powder 2 teaspoons
Baking soda 1/2 teaspoon
Fine sea salt 1/2 teaspoon
Granulated sugar 100 grams (1/2 cup, for cake batter)
Large eggs 2 units, room temperature
Whole milk 80 ml (1/3 cup, room temperature)
Unsalted butter 57 grams (4 tablespoons, melted and cooled, for cake batter)
Vanilla extract 1 teaspoon

Steps

1

Prep Oven, Pan, and Streusel

Preheat your oven to 175°C (350°F), then line a 9-inch (23cm) square baking pan with parchment paper, leaving a 2-inch overhang on two sides for easy cake removal. Prepare the cinnamon streusel: in a small bowl, mix 100g packed light brown sugar, 2 tsp ground cinnamon, and 30g all-purpose flour, then cut in 28g cold cubed unsalted butter with your fingertips until the mixture forms coarse, pea-sized crumbs. Set the streusel aside.

Step 1
step1:Prep Oven, Pan, and Streusel
2

Whisk Dry Ingredients

In a large mixing bowl, whisk together 240g all-purpose flour, 2 tsp baking powder, 1/2 tsp baking soda, 1/2 tsp fine sea salt, and 100g granulated sugar for 30 seconds until fully combined, with no visible lumps of leavening or salt.

Step 2
step2:Whisk Dry Ingredients
3

Mix Cake Batter

Make a shallow well in the center of the dry ingredient mixture, then add 2 room-temperature large eggs, 240ml full-fat sour cream, 80ml room-temperature whole milk, 57g cooled melted unsalted butter, and 1 tsp vanilla extract. Stir gently with a rubber spatula for 45 seconds, just until no dry flour streaks remain — do not overmix, as this will develop gluten and make the cake tough.

Step 3
step3:Mix Cake Batter
4

Layer Batter and Streusel

Spread half of the cake batter (approximately 420g) evenly across the bottom of the prepared pan, using a small offset spatula to smooth it into a flat, uniform layer. Sprinkle 2/3 of the prepared streusel mixture evenly over the first batter layer, then dollop the remaining half of the batter over the streusel, spreading gently to cover the crumbs without mixing the layers together.

Step 4
step4:Layer Batter and Streusel
5

Top with Streusel and Bake

Sprinkle the remaining 1/3 of the streusel evenly over the top of the final batter layer. Place the pan on the middle oven rack, and bake for 30 to 32 minutes at 175°C (350°F). Test for doneness by inserting a wooden toothpick into the cake center: it is done when the pick comes out with 2-3 moist crumbs attached, not wet batter.

Step 5
step5:Top with Streusel and Bake
6

Remove and Cool Cake

Remove the baked cake from the oven and place the pan on a wire cooling rack for 10 minutes, then use the parchment paper overhang to lift the entire cake out of the pan to cool for an additional 5 minutes. Cut into 8 equal squares, and serve warm or at room temperature paired with hot coffee or tea.

Step 6
step6:Remove and Cool Cake

Tips

1.Use room temperature eggs, sour cream, and milk for the batter; cold ingredients do not emulsify smoothly, leading to lumpy batter and uneven cake rise.
2.Avoid overmixing the batter once wet ingredients touch the flour — stop stirring as soon as dry streaks disappear to keep the cake crumb soft and tender.
3.For extra crunch and flavor, stir 30g (1/4 cup) of chopped toasted pecans or walnuts into the streusel mixture before layering.

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Coffee Cake:Frequently Asked Questions

1.Why does the recipe specify full-fat sour cream, and can I use a lower-fat substitute?
Full-fat sour cream creates this cake’s signature tender, moist crumb and subtle tang that balances the sweet cinnamon and buttery streusel, without weighing the batter down. You can swap in plain full-fat Greek yogurt in a pinch, but low-fat or non-fat sour cream or yogurt will result in a drier, less flavorful final bake, since it lacks the fat that keeps crumbs soft.
2.How do I keep my streusel from sinking into the cake while it bakes?
Prevent streusel sinkage with two easy tricks: First, chill your mixed streusel crumbs for 10 minutes before layering—cold butter in the crumbs sets faster as it hits the hot oven, so it stays in place. Second, avoid overmixing your cake batter, which can make it too thin to support the crumbs, and dollop the top cake layer gently instead of spreading it roughly.
3.Can I make this coffee cake ahead of time for a weekend brunch?
Absolutely! This coffee cake holds up beautifully for 2–3 days when stored correctly. Once it cools completely, wrap it tightly in plastic wrap or keep it in an airtight container at room temperature—skip the fridge, as cold air will dry out the tender crumb. Warm individual slices for 10 seconds in the microwave right before serving with hot coffee for that just-baked feel.
4.I see all-purpose flour listed twice in the key ingredients—why is that?
Great catch! The two separate all-purpose flour measurements are for different components of the recipe: the larger portion goes into the soft, tangy cake base, while the smaller portion is mixed with light brown sugar and cinnamon to make the buttery crumb streusel for the inner swirl and topping. Always portion flour correctly for each part to avoid tough cake or mushy streusel.
5.My streusel turned into a thick paste instead of crumbs—what went wrong?
This almost always happens when you use too-warm, fully melted butter instead of cold, cubed butter, or overmix the streusel components. For perfect crumbs next time, use cold unsalted butter cut into ¼-inch cubes, and work it into the sugar, flour, and cinnamon with your fingertips only until you have coarse, pea-sized crumbs, then chill briefly before layering.
6.Can I add mix-ins like nuts or dried fruit to this coffee cake?
Definitely! This classic, neutral base is super flexible for custom add-ins. Try stirring ½ cup of toasted, chopped walnuts or pecans into the streusel, or folding ½ cup of raisins, dried cranberries, or mini chocolate chips into the cake batter right before pouring. Just don’t add more than ¾ cup total of mix-ins, or you’ll weigh down the light, tender cake crumb.
7.What size baking pan works best, and do I need to line or grease it?
A 9x9-inch square metal baking pan is ideal for even heat distribution and that perfect thick, soft crumb height, though a 9-inch round springform pan works too. Always line the pan bottom with a square of parchment paper and lightly grease the sides with butter or nonstick spray to prevent sticking, even if you’re using a nonstick-coated pan.
8.How do I tell when the coffee cake is fully baked without overcooking it?
Skip the old “clean toothpick” rule for this cake! Insert a wooden toothpick into the center, avoiding gooey streusel pockets: it should come out with 2–3 moist, soft crumbs attached, not wet raw batter, and not completely spotless. A totally clean toothpick means you’ve overbaked it, which leads to dry, crumbly cake. Let it cool 15 minutes in the pan before slicing.
9.Can I freeze leftover coffee cake to enjoy later?
Yes, this coffee cake freezes beautifully for up to 3 months. Once it’s fully cooled, cut it into individual slices, wrap each tightly in two layers of plastic wrap, and tuck them into a labeled zip-top freezer bag. When you want a serving, thaw a slice at room temperature for 30 minutes, or warm it in the microwave for 20 seconds, and it’ll taste just as fresh as bake day.

Comments (20)

yesterday

My kids loved this! I threw it together before school dropoff this morning (super easy, no fancy ingredients needed!) and we had warm slices with a little vanilla glaze drizzled on top for after-school snack. Even my super picky 7 year old asked for seconds. Game changer for busy weekday mornings!

5 minutes ago

So glad your kids enjoyed it, Molly! The vanilla glaze drizzle is such a tasty add, I love that idea. Thanks for baking with us!

3 days ago

Wait, has anyone tried making this with gluten free all purpose flour? I have a couple friends coming over for book club next weekend who are gluten free and I don’t want to mess this up because it’s my go-to coffee cake recipe!

2 days ago

I made it with Cup4Cup gluten free flour last month and it turned out exactly the same! No weird texture, no crumbliness, everyone at my brunch couldn’t even tell it was GF. Just make sure you don’t overmix the batter!

2 days ago

Great question, Kelly! As GFBakeQueen mentioned, a 1:1 gluten free all purpose flour works perfectly here. You might just want to add an extra 1 tbsp of milk if the batter feels extra thick, that’s all!

5 days ago

Brought this to my neighborhood block party on Saturday and it was gone in 15 minutes flat. The cinnamon streusel layer in the middle is *chef’s kiss* — I was worried it would be too dry because some coffee cake recipes are, but this was perfectly tender all the way through. Already saved this to my permanent recipe folder.

1 week ago

Super easy recipe for a beginner baker! I’m in a dorm with just a tiny countertop oven and I was able to pull this off without any fancy equipment. Only thing I messed up was I forgot to let the butter soften first, so I microwaved it for 10 seconds and it still worked fine. Tastes just like the coffee cake my grandma used to make!

3 days ago

Love that you made this work in a dorm oven! Softening butter quickly in short microwave bursts is such a smart hack for new bakers, great problem solving. So glad it brought back good grandma memories for you!

1 week ago

Has anyone tried prepping the streusel and batter the night before to bake in the morning? I want to make this for my husband’s birthday breakfast but I am NOT a morning person, so prepping ahead would be a lifesaver.

5 days ago

I do this all the time! Prep the batter, pour it in the pan, add the streusel on top, cover it tight with plastic wrap and stick it in the fridge overnight. Pop it straight in the oven in the morning (add 5-7 minutes to the cook time since it’s cold) and it comes out perfect.

5 days ago

Mia, prepping ahead works beautifully here! Just make sure you don’t leave the streusel mixed too long before baking if your kitchen is super warm, but the fridge method Liz mentioned is totally foolproof. Hope your husband loves his birthday breakfast!

2 days ago

SO good. I ate two slices warm with a big mug of black coffee this morning and it was the perfect start to my day off. Not overly cinnamony, the crumb topping has the perfect crunch, and the cake stays moist for days — I wrapped the leftovers in plastic and had a slice for a midnight snack last night, just as good as day one.

30 minutes ago

Wait, my streusel came out more like a sandy powder instead of those big clumps I see in the photos? Did I do something wrong? It still tasted good, I just wanted those big crunchy crumb bits everyone is talking about.

5 minutes ago

Oh no, sorry your streusel didn’t form clumps! That usually happens if the butter was too warm or too cold when you mixed it in — you want cold cubed butter that you cut into the flour/sugar mixture with your fingers until it forms pea-sized to marble-sized clumps. Next time try popping the mixed streusel in the fridge for 10 minutes before sprinkling it on top, that helps hold the clumps together too!

2 weeks ago

Quick question — I’m vegan, would swapping the butter for vegan butter and the milk for oat milk work here? I’ve had bad luck with vegan coffee cakes being dense so I wanted to check before I waste ingredients!

1 week ago

I made this vegan last week using Earth Balance vegan butter and oat milk and it was incredible! No density issues at all, just make sure you don’t overstir the batter — mix until the dry ingredients are just incorporated, that’s the trick to keeping it light.

1 week ago

Great swap question! Plant-based butter and oat milk work perfectly here as Patty noted. I’d also recommend making sure your leavening (baking powder/soda) is fresh to keep the cake light and fluffy, no dense texture allowed!

2 weeks ago

I’ve been making coffee cake for 40 years and I have to say, this recipe is a home run. I added a handful of chopped pecans to the streusel like I always do and it turned out fantastic. Cook time was spot on for my old oven, no burnt edges, no raw middle. Great work on a solid classic.

1 week ago

Oh the chopped pecan addition sounds amazing! I have a giant bag of walnuts in my pantry, do you think those would work too or are pecans better?

5 days ago

Walnuts work perfectly too! I’ve used both, even toast them for 5 minutes in the oven first to bring out that warm nutty flavor before mixing into the streusel. Can’t go wrong either way!

1 week ago

Made this for my family’s weekly Sunday brunch and everyone raved. The middle cinnamon layer is such a nice surprise, I was worried it would sink to the bottom but it stayed perfectly sandwiched between the cake layers. Paired it with fresh fruit and mimosas, 10/10 vibe.

2 hours ago

Y’all, I added a cream cheese swirl to this (softened cream cheese mixed with a little sugar and vanilla, dolloped on top before the streusel) and it was LIFE CHANGING. Tastes like the fancy coffee cake they sell at the bakery down the street but for a fraction of the cost.

30 minutes ago

That cream cheese swirl hack sounds absolutely divine, Sam! We might have to test that variation for the site, thanks for the brilliant idea — sounds like the perfect extra tangy addition!

3 days ago

Is this sweet enough to serve as a birthday cake for a toddler? My little one is turning 2 and we’re doing a small family party, I don’t want something loaded with too much sugar but I want it to feel special.

2 days ago

I made this for my son’s 2nd birthday last month! It’s perfectly sweet without being cloying, and the crumb topping is soft enough for little kids to chew no problem. I topped his slice with a few fresh blueberries and he went crazy for it.

2 days ago

Hi Lila! This cake is definitely mild enough in sweetness for a toddler birthday — it’s not nearly as sugary as a traditional frosted layer cake. Adding fresh berries on top like the other commenter suggested is such a cute, kid-friendly touch too!

5 days ago

I halved the recipe to make a small 8x8 pan for just me and my roommate and it turned out perfect! Baked for about 38 minutes total, tested it with a toothpick in the center and it came out clean. No waste, no leftovers going stale, perfect size for two people.

3 days ago

So smart to halve it for smaller households! Thanks for sharing the adjusted cook time for an 8x8 pan, that’s super helpful for other folks who don’t need a full 9x13 pan of coffee cake (though leftovers never last long around here, haha)!

1 week ago

Cut this up into individual slices, wrapped them in parchment paper, and brought them on our weekend backpacking trip. They held up perfectly in the pack, didn’t get squished, and were such a nice treat after a long morning hike. Way better than the boring energy bars I usually bring!

2 hours ago

Help! I followed the recipe exactly but my cake sunk in the middle? I’m so frustrated, I was making it for my book club tonight and now I don’t know what to do. Did I open the oven too early?

30 minutes ago

That happened to me once too! I realized my baking powder was expired — it doesn’t take much for leavening to go bad and make the cake sink. If you have time to whip up a quick batch now, double check your baking powder/soda expiration dates!

5 minutes ago

Oh no, that’s so frustrating! As mentioned, expired leavening is a common culprit, as is opening the oven door too early before the cake has set (usually before the 35 minute mark). If you don’t have time to rebake, you can always fill the sunken middle with extra streusel or fresh fruit and no one will even notice — promise!

yesterday

Y’all, I doubled the cinnamon in the streusel and the middle layer because I’m obsessed with cinnamon, and it was *perfect*. I know some people say too much cinnamon makes things bitter, but this recipe can handle it if you’re a spice lover like me. 10/10, will be doubling the cinnamon every time.

30 minutes ago

Love a cinnamon overload! So glad the extra spice worked out for you — I’m a huge cinnamon fan too, so I totally get doubling it. Thanks for the tip for other fellow cinnamon lovers out there!

2 weeks ago

This was my first ever dish to bring to a work potluck and I was so nervous it would flop, but people went back for thirds! So easy to follow, no weird steps, ingredients I already had in my pantry. I felt like a real baking pro when people asked where I bought the cake from, haha.

3 days ago

Has anyone tried freezing slices of this? I love having quick sweet treats on hand for busy school mornings, so if this freezes well that would make my life so much easier.

2 days ago

Great question! This cake freezes beautifully — wrap individual slices tightly in plastic wrap and then pop them in a freezer bag for up to 3 months. Thaw at room temp for 30 minutes or warm it in the microwave for 15 seconds, and it tastes just as good as fresh baked!

5 minutes ago

I swapped the granulated sugar in the streusel for pure maple sugar and added a tiny drizzle of maple syrup on top when it came out of the oven. The warm maple + cinnamon combo is unbeatable, especially in the fall. Highly recommend trying it if you have maple sugar lying around!

just now

That maple swap sounds like the perfect cozy fall twist! Maple and cinnamon were made for each other, I can already imagine how good your house must have smelled while this was baking. Thanks for sharing the creative variation!

just now

Made this with my 10 year old niece this weekend and she had a blast helping mix the streusel (getting her hands messy is her favorite part). The recipe is simple enough for kids to help with, no complicated techniques or sharp tools needed. We ate half the pan while we watched our favorite movie, total core memory.