Toffee Muffin

Toffee Muffin
⏱️ cook time 40 minutes
🍽️ servings 8
⚡ Difficulty easy

intro

Soft, fluffy muffins studded with buttery toffee bits, topped with a crisp caramelized crust for a cozy, indulgent sweet bite.

Ingredients

All-purpose flour 240 grams (2 cups)
Granulated sugar 100 grams (1/2 cup)
Baking powder 2 teaspoons
Fine sea salt 1/2 teaspoon
Unsalted butter (melted, cooled) 85 grams (6 tablespoons)
Whole milk (room temperature) 180 ml (3/4 cup)
Large egg (room temperature) 1 unit (approx 50g)
Vanilla extract 1 teaspoon
Butter toffee bits 150 grams (1 cup)
Demerara sugar (for topping) 2 tablespoons

Steps

1

Preheat your oven to 190°C (375°F) with a rack positioned in the middle. Line 8 wells of a standard 12-cup muffin tin with paper baking liners, and fill the remaining empty wells halfway with tap water to ensure even heat distribution during baking.

Step 1
step1:
2

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

Step 2
step2:
3

In a separate medium 1L mixing bowl, whisk together the cooled melted 85g unsalted butter, 180ml room-temperature whole milk, 1 room-temperature large egg, and 1 tsp vanilla extract for 20 seconds until completely smooth; avoid over-whisking to prevent excess air incorporation.

Step 3
step3:
4

Pour the entire wet mixture into the dry ingredient bowl, and use a silicone spatula to fold gently for 10-12 strokes only, until just combined—lumps in the batter are expected and desired. Fold in 120g (3/4 cup) of the toffee bits, reserving the remaining 30g (1/4 cup) for topping, using no more than 3 extra folds to evenly distribute the bits; overmixing will create tough, dense muffins.

Step 4
step4:
5

Scoop the batter evenly into the 8 lined muffin wells, filling each liner to 3/4 full (approximately 60g of batter per well). Sprinkle the tops of each muffin evenly with the reserved 30g toffee bits and 2 tbsp demerara sugar to create a crunchy, caramelized top crust.

Step 5
step5:
6

Place the muffin tin on the preheated middle oven rack, and bake for 18-20 minutes, until muffin tops are domed and golden brown. Test for doneness by inserting a wooden toothpick into the center of a muffin: it should come out with 1-2 moist crumbs attached, no wet batter. Do not open the oven door for the first 15 minutes of baking to prevent muffins from sinking.

Step 6
step6:
7

Once fully baked, remove the tin from the oven, and transfer the muffins directly to a wire cooling rack to cool for 10 minutes before serving; this short rest allows melted toffee bits to set slightly so they do not run out when bitten into.

Step 7
step7:

Tips

1.Never overmix muffin batter: lumps are a good sign! Overmixing develops gluten in the flour, resulting in tough, chewy muffins instead of the desired soft, fluffy crumb.
2.Use room-temperature milk and egg for the wet mixture, as cold ingredients will cause melted butter to solidify into small hard clumps, leading to an uneven, dense baked texture.
3.If pre-made toffee bits are unavailable, chop hard butter toffee candies into 6mm (1/4 inch) pieces as a substitute; avoid soft chewy toffee, as it will melt completely and sink to the bottom of the muffins during baking.

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Toffee Muffin:Frequently Asked Questions

1.Why do I need to cool the melted unsalted butter before mixing it into the muffin batter?
Great question! Hot melted butter will prematurely activate your baking powder (leading to flat, dense muffins) and melt embedded toffee bits before they bake, so you lose those chewy, buttery toffee pockets. Let it sit 5-7 minutes after melting until it’s just warm to the touch, not steaming, for the best fluffy texture.
2.Can I use chocolate-covered toffee bits in these muffins instead of plain toffee?
Absolutely! Chocolate-covered toffee bits add rich, fudgy depth, though they’ll shift the flavor slightly from the classic pure sticky toffee profile. Fold them in at the very end of mixing to avoid smearing chocolate through the light batter, and cut the added granulated sugar by 1 tablespoon if your toffee is extra sweet.
3.How do I get that crisp, caramelized top the recipe mentions?
It’s easier than you think! Right before popping the muffin tin in the oven, sprinkle a generous ½ teaspoon of granulated sugar evenly over the top of each unbaked muffin. As the muffins bake, the sugar melts and caramelizes into that perfect shattery, crisp crust that contrasts so nicely with the soft, fluffy interior.
4.Why did my muffins turn out dense and heavy instead of light and fluffy?
The two most common culprits are overmixing the batter and expired baking powder. Stir your dry and wet ingredients only until just combined—lumps are totally fine, as overstirring develops tough gluten. Also, double-check that your baking powder is less than 6 months old; old leavening won’t create the air pockets needed for tall, fluffy muffins.
5.Can I substitute salted butter for the unsalted butter the recipe calls for?
You can, just adjust the added fine sea salt to account for the salt already in the butter. For every ½ cup (1 stick) of salted butter you use in place of unsalted, cut the added fine sea salt by ¼ teaspoon. This keeps the flavor balanced so the toffee sweetness doesn’t taste flat, without making the muffins overly salty.
6.Do I need to use paper muffin liners, or can I grease the tin directly?
Either works, but greasing the tin directly (with a thin layer of softened butter or nonstick spray) will actually help the crisp caramelized crust form all the way up the sides of each muffin, instead of sticking to the paper liner. If you prefer liners for easy cleanup, use light-colored nonstick liners to keep toffee bits from sticking as they bake.
7.How do I keep the toffee bits from sinking to the bottom of each muffin?
Toss your toffee bits in 1 teaspoon of all-purpose flour before folding them into the finished batter. The light flour coating gives the bits something to grip onto as the batter rises during baking, so they stay evenly distributed throughout the soft muffin crumb instead of settling in a sticky, dense clump at the bottom.
8.Can I make these sticky toffee muffins gluten-free?
Yes! Swap the all-purpose flour for a 1:1 gluten-free all-purpose baking blend that contains xanthan gum for structure. Make sure your baking powder and toffee bits are certified gluten-free to avoid cross-contamination, and mix the batter exactly as you would for the regular version—no extra adjustments needed for great, fluffy texture.
9.How should I store leftover muffins to keep them soft and fresh?
Let the muffins cool completely to room temperature first, then store them in an airtight container at room temperature for up to 3 days. The crisp caramel top will soften a bit after the first day, but you can crisp it back up by toasting a split muffin in a toaster oven for 1-2 minutes before eating. Skip the fridge, as it dries out the crumb fast.
10.How do I fill my muffin tin to get tall, domed muffin tops?
Fill each muffin well ¾ full, no more—overfilling causes batter to spill over the edges instead of rising up into a nice rounded dome. For extra height, preheat your oven to 400°F for the first 5 minutes of baking, then drop to 375°F for the remaining bake time; the initial heat blast gives baking powder a quick jumpstart to rise fast.
11.Can I add a sticky toffee glaze on top for extra richness?
Absolutely! For an extra indulgent twist, make a quick toffee glaze by melting 2 tablespoons of butter, ¼ cup brown sugar, and 2 tablespoons of heavy cream until smooth, then drizzle it over fully cooled muffins. Let the glaze set 10 minutes before serving—just note this will soften the crisp sugar top a bit under the glaze.

Comments (6)

3 days ago

OMG these sticky toffee muffins are INSANE. I whipped them up for my kid’s soccer team potluck last weekend and every single parent asked for the recipe! They’re so easy even my 10 year old helped stir the batter, and the toffee topping is perfectly gooey without being too sweet. 10/10 will be making these weekly for meal prep breakfasts!

2 days ago

Wait did you add extra toffee? I made them last night and thought the topping was good but I’m a total toffee fiend, lmao

yesterday

So glad these were a hit at the potluck! If you’re a toffee lover like Liz, you can absolutely double the toffee drizzle without messing up the texture — just let it cool a minute longer before pouring it over the muffins!

1 week ago

These are the perfect pairing with my morning oat milk latte. I was worried a from-scratch muffin would be a hassle on busy work mornings, but 40 minutes total? Game changer. I added a handful of chopped pecans to the batter for a little extra crunch and it worked perfectly. SO good.

5 days ago

Love the pecan addition! Chopped walnuts or a sprinkle of flaky sea salt on top of the warm toffee are also fantastic swaps if you want to mix up the flavor on future bakes.

just now

Really tasty muffins! My whole family devoured them after Sunday dinner, though I will say my toffee turned out a little runny the first time I made them. I think I didn’t let the butter and brown sugar simmer long enough before pouring it on. They tasted amazing anyway, will definitely try again to nail the topping next time!

5 days ago

Made these for my dorm meal prep this week and my roommates are literally begging me to make another batch already. Super easy to pull off even with our tiny, janky apartment oven, no fancy equipment needed at all. The sticky toffee doesn’t get all hard and weird in the fridge either which is a huge win for prepping ahead!

3 days ago

Wait how long do these stay good in the fridge? I wanna make a big batch for my exam week snacks but don’t want them to go bad before I can eat them all!

2 days ago

Great question! These stay fresh in an airtight container in the fridge for up to 5 days, or you can freeze them for up to 3 months — just pop one in the microwave for 20 seconds to get that perfect gooey toffee texture back!

2 hours ago

Brought these to my office potluck today and people were coming back for thirds. I was super nervous because I’ve never made sticky toffee anything before, but the steps were so straightforward! Even my boss who hates super sweet treats ate two. Will 100% be adding this to my regular baking rotation.

30 minutes ago

Wait were you the one who brought the toffee muffins to the 3rd floor downtown potluck??? I had one and have been scrolling recipe sites for an hour trying to find where it came from lmao

2 weeks ago

I swapped the all-purpose flour for a 1:1 gluten free baking blend and these turned out perfect!!! I was so worried the texture would be dense or weird but they were moist, fluffy, and that toffee topping is to die for. My husband who won’t touch any of my gluten free bakes usually ate three right after they cooled down. So happy I found this easy recipe!