Hatch Chile Egg Casserole

Hatch Chile Egg Casserole
⏱️ cook time 50 minutes
🍽️ servings 6
⚡ Difficulty easy

intro

A creamy, smoky baked egg casserole loaded with roasted Hatch chiles and melted Jack cheese, with a light fluffy custard base, ideal for stress-free group breakfasts.

Ingredients

Large eggs 8 large (400g, cracked)
Roasted Hatch green chiles 1.5 cups (180g, peeled, seeded, roughly chopped)
Shredded Monterey Jack cheese 2 cups (226g)
Whole milk 1 cup (240ml)
All-purpose flour 1/4 cup (30g)
Baking powder 1/2 teaspoon (2g)
Kosher salt 1 teaspoon (5g)
Garlic powder 1/2 teaspoon (1.5g)
Freshly ground black pepper 1/4 teaspoon (0.5g)
Unsalted butter 2 tablespoons (28g, melted, divided)

Steps

1

Prep pan and preheat oven

Adjust your oven rack to the middle position, then preheat the oven to 375°F (190°C). Use 1 tablespoon (14g) of the melted unsalted butter to evenly coat the bottom and sides of a 9x9 inch (23x23cm) square glass baking dish to prevent sticking.

Step 1
step1:Prep pan and preheat oven
2

Mix dry ingredients

In a small mixing bowl, combine 1/4 cup (30g) all-purpose flour, 1/2 teaspoon (2g) baking powder, 1 teaspoon (5g) kosher salt, 1/2 teaspoon (1.5g) garlic powder, and 1/4 teaspoon (0.5g) black pepper. Whisk for 20 seconds until fully blended, with no visible clumps of baking powder or flour.

Step 2
step2:Mix dry ingredients
3

Whisk egg custard base

In a large mixing bowl, crack all 8 large eggs, then whisk vigorously for 30 seconds until yolks and whites are fully combined with no streaks of clear white remaining. Add the remaining 1 tablespoon (14g) cooled melted butter and 1 cup (240ml) whole milk, whisking for another 20 seconds until smooth. Gradually whisk the dry ingredient mix into the egg base, mixing just until no dry flour streaks remain to avoid lumps.

Step 3
step3:Whisk egg custard base
4

Layer chiles and cheese

Sprinkle half (1 cup / 113g) of the shredded Monterey Jack cheese in an even layer across the bottom of the buttered baking dish. Spread all 1.5 cups (180g) of chopped roasted Hatch chiles over the first cheese layer, covering the cheese completely with no large gaps. Top the chiles with the remaining 1 cup (113g) of shredded cheese, spread evenly.

Step 4
step4:Layer chiles and cheese
5

Bake the casserole

Slowly pour the whisked egg custard evenly over the cheese and chile layers, then tap the baking dish firmly on the counter 2-3 times to release any trapped air bubbles. Place the dish on the middle oven rack, and bake for 38-40 minutes, until the top is golden and puffed, and the center has no liquid jiggle when you gently nudge the dish.

Step 5
step5:Bake the casserole
6

Rest and serve

Remove the baked casserole from the oven, and let it rest for 10 minutes at room temperature to allow the custard to set fully. Cut into 6 equal square portions, and serve warm, with optional salsa or sour cream on the side if desired.

Step 6
step6:Rest and serve

Tips

1.If using fresh Hatch chiles, roast them over a gas stovetop flame or under a broiler for 8-10 minutes, turning often, until skins are fully blackened. Seal in a covered bowl for 10 minutes to steam, then peel off skins, remove seeds, and chop. Frozen pre-roasted Hatch chiles work perfectly as a time-saving shortcut.
2.Avoid overmixing the custard once you add the flour, as overmixing develops gluten and can make the casserole tough instead of light and tender; stop mixing as soon as no dry flour streaks are visible.
3.This casserole can be fully assembled, covered tightly with plastic wrap, and stored in the refrigerator for up to 12 hours before baking for easy meal prep; add 3-5 minutes to the bake time if cooking straight from the fridge.

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Hatch Chile Egg Casserole:Frequently Asked Questions

1.Can I prep this Hatch Chile Egg Casserole the night before to save time for group brunches?
Absolutely! Assemble the full casserole, cover tightly with plastic wrap, and refrigerate for up to 12 hours. When ready to bake, remove the plastic, add 5–7 minutes to the standard bake time to account for the cold dish, and confirm doneness by sticking a knife in the center to check for set custard.
2.What’s the best substitute for roasted Hatch chiles when they’re out of season?
Roasted, peeled, seeded poblano peppers are the closest match, with a similar mild, earthy base; add 1/4 teaspoon smoked paprika to mimic Hatch chiles’ signature smoky kick. Canned diced green chiles work in a pinch, just drain them extremely well and pat dry with paper towels to avoid a watery final dish.
3.Why did my casserole turn out watery the last time I made an egg bake like this?
Watery egg casserole almost always traces back to excess moisture in add-ins or too-low fat dairy. Be sure to fully drain (and pat dry) your roasted chiles, especially if using canned, stick to whole milk instead of skim or 1%, and don’t skip the small amount of flour—it helps bind loose moisture for a firm, creamy set.
4.How do I know the casserole is done without overcooking the eggs into a rubbery texture?
Insert a thin paring knife directly into the center of the dish: if it comes out clean with no runny, wet custard clinging to it, and the edges are lightly golden and puffed, it’s done. Let it rest 10 minutes before slicing—it will set a little more as it cools, so you don’t need to bake it until the center is rock hard.
5.Can I swap the Monterey Jack cheese or adjust the recipe for dairy-free diets?
Monterey Jack melts smoothly and has a mild flavor that lets the Hatch chiles shine, but you can swap it for pepper Jack for extra heat or sharp cheddar for a tangier bite. For dairy-free, use unsweetened full-fat oat milk and a high-melting dairy-free Jack-style shred, plus a 1:1 gluten-free flour swap if needed.
6.What extra mix-ins work well without making the casserole dense or soggy?
Cooked, drained crumbled breakfast sausage, crispy diced bacon, or sautéed sweet corn are fantastic, complementary add-ins. Just make sure to drain all excess grease from cooked meats and pat sautéed veggies dry before adding them, and keep total extra mix-ins to 1.5 cups or less to preserve the light, fluffy custard base.

Comments (13)

1 week ago

OMG this Hatch Chile Egg Casserole was the absolute star of our neighborhood potluck last weekend! I grabbed fresh roasted Hatch chiles from the farmers market, followed the recipe exactly, and people were coming back for thirds. Even my gluten-free neighbor could eat it no problem, which was a win. SO good, I’m already making it again for my kid’s soccer team breakfast next Saturday!

5 days ago

Wait did you make it the night before? I need something I can prep ahead for early tailgates and this looks perfect!

3 days ago

So glad it was a hit at the potluck! This casserole holds up amazingly well if you assemble it the night before and pop it in the oven the next morning – perfect for early events like tailgates or team breakfasts!

3 days ago

Super easy to throw together for weekly meal prep! I cut it into 6 slices, pop em in the fridge, and heat one up every morning before work. The Hatch chile adds such a nice depth of flavor instead of boring plain egg bakes. Only note is I added a handful of crumbled turkey sausage for extra protein and it slapped.

2 days ago

Love the turkey sausage addition! That’s such a smart swap to bump up the protein for meal prep, I’ll have to try that variation myself next time I make this.

2 weeks ago

I was a little worried the spice level would be too much for my in-laws who hate hot food, so I used mild Hatch chiles and it was perfect! Cheesy, fluffy, great texture, not runny at all like some egg casseroles I’ve made before. Paired it with biscuits and fresh fruit for our family dinner last night and everyone raved.

5 days ago

Okay I am literally the worst at cooking, like I burn toast half the time, and this came out amazing?? The instructions were so straightforward, no weird fancy ingredients, total cook time was exactly what the recipe said. I was so proud I served it to my girlfriend when she stayed over and she thought I ordered it from a diner lmao

2 days ago

LMAO same, I burn water so if you say it’s foolproof I’m definitely trying it this weekend. Did you use pre-shredded cheese or shred your own?

2 days ago

I used pre-shredded cheddar straight from the bag because I’m lazy and it still worked great! No weird clumping or anything, I say go for it.

yesterday

Wait why have I been making boring egg bakes for years when this exists?? I used medium heat Hatch chiles and added a little sprinkle of cotija on top before baking and it was chef’s kiss. Great for busy mornings when you don’t have time to stand over the stove making eggs.

5 minutes ago

The cotija sprinkle sounds incredible! That salty, crumbly kick pairs so perfectly with the mild heat of the chiles – thanks for the great tip!

2 hours ago

Made this for back to school breakfast this week and my kids went crazy for it! I let them help sprinkle the cheese on top which made them even more excited to eat it. Way healthier than the frozen breakfast sandwiches we usually buy, and way cheaper too. Will be on our regular rotation for sure.

30 minutes ago

Really tasty recipe! My only small note is that I wish the recipe specified what size baking dish to use – I used a 9x13 first and it was a little thin, so I swapped to a 9x9 halfway through prep and it turned out great. The flavor is on point though, love the balance of cheese and chiles.

just now

Thanks so much for the helpful feedback! I’ve updated the recipe card to specify a 9x9 inch baking dish for that nice thick, fluffy slice everyone loves. So glad you enjoyed the flavor otherwise!

2 weeks ago

Brought this to our college football tailgate last weekend and it was gone in 10 minutes flat. I mixed in some crispy bacon bits because…bacon, duh, and it was a home run. Even the guys who only eat burgers and brats were asking for the recipe. 10/10, will make every game day from now on.

1 week ago

Did you serve it warm or cold? Our tailgate spot doesn’t have an outlet to keep things hot so I need stuff that tastes good at room temp!

5 days ago

Great question! This casserole tastes fantastic at room temperature, so it’s perfect for tailgates where you can’t keep food warm. The bacon addition sounds like a total crowd-pleaser too!

2 days ago

Super solid base recipe! I swapped the regular cheese for dairy-free cheddar to accommodate my dairy allergy and it worked really well, the texture was still fluffy and the chile flavor came through perfectly. Next time I’ll add some diced bell peppers and onions for extra veggie crunch.

yesterday

Oh thank you for sharing the dairy-free swap! I’ve been looking for a good egg casserole I can eat without stomach issues, this is perfect to know!

3 days ago

Made this for our monthly brunch club and everyone was begging for the recipe! I topped it with a little dollop of sour cream and some chopped cilantro when serving, and it paired so well with mimosas. The cook time was totally accurate too, which I appreciate because so many recipes lie about how long things take.

5 days ago

This was the first recipe I made for my husband after we got married and he said it’s better than the egg casserole his mom makes…don’t tell his mom lol. It was so easy I didn’t even mess it up, which is a miracle for me. The Hatch chiles give it such a unique flavor you don’t get from regular egg bakes.

3 days ago

Your secret is safe with us! 😂 So happy the recipe was a hit for your first newlywed home-cooked meal, that makes us so happy to hear!

1 week ago

I used hot Hatch chiles because I love a good kick, and wow that heat level was perfect! Not so hot you can’t taste the other flavors, just enough zing to make it interesting. I served it with avocado slices and hot sauce on the side for people who wanted extra spice, and it was chef’s kiss.

5 days ago

How spicy are the hot chiles compared to a jalapeño? I’m a total wimp when it comes to heat so I’m trying to decide if mild is my speed!

3 days ago

Hot Hatch chiles are about as spicy as a mild jalapeño, honestly! If you’re super sensitive to heat, mild Hatch chiles have almost no kick at all, just that great smoky flavor, so you’ll be totally safe with those!

1 week ago

I made two batches of this last month, froze one in individual slices, and they reheat perfectly in the microwave for 90 seconds! Such a lifesaver on crazy busy mornings when we’re running out the door for school and work. No weird soggy texture after freezing, which is a huge win in my book.