There’s something extra cozy about a bubbling hot casserole with a little kick of spice.

This jalapeño popper casserole combines creamy noodles, tender chicken, and cheesy jalapeño flavor with a crispy breadcrumb topping.

It’s rich, comforting, and just the right amount of spicy.

Why You’ll Love This Recipe

It transforms the flavors of jalapeño poppers into a hearty main dish.

Creamy noodles and shredded chicken make it filling and satisfying.

The breadcrumb topping adds crunch to balance the creamy base.

It’s easy to prepare with simple ingredients, perfect for weeknights.

What You’ll Need (Ingredient Highlights)

Reames homestyle egg noodles give the dish a thick, chewy base.

Fresh jalapeños add both heat and flavor to the roux and topping.

Shredded chicken, especially rotisserie, makes it fast and flavorful.

Pepperjack cheese brings a creamy, spicy edge to the casserole.

Panko breadcrumbs give the topping that perfect golden crunch.

Pro Tips Before You Start

Cook the noodles just until tender so they don’t get mushy when baked.

Whisk the roux constantly to avoid lumps and keep it smooth.

Broil only for a couple of minutes—panko can burn quickly.

Adjust the number of jalapeños based on how spicy you want it.

How to Make Jalapeño Popper Casserole

Step 1 – Cook the noodles

Boil egg noodles for 13 minutes until tender, then drain and set aside.

Step 2 – Make the roux

Melt butter in a saucepan with garlic and minced jalapeño.

Stir in flour, then slowly whisk in milk.

Let simmer until thickened, then stir in mozzarella until melted.

Remove from heat.

Step 3 – Mix the casserole base

In a large bowl, combine noodles, roux, shredded chicken, and pepperjack cheese.

Stir until evenly coated.

Step 4 – Prepare the topping
Mix panko breadcrumbs with diced jalapeño, pepperjack cheese, salt, and pepper.

Step 5 – Assemble and bake

Spread casserole mixture into a greased baking dish.

Sprinkle topping evenly over the top.

Cover loosely with foil and bake at 450°F for 10 minutes.

Step 6 – Broil for crunch

Remove foil, switch to broil, and cook 2–4 minutes until topping is golden.

Watch carefully. Serve hot.

What to Serve Them With

Pair with a crisp green salad to balance the richness.

Serve alongside roasted vegetables for a full meal.

Add garlic bread for extra comfort food vibes.

Variations / Substitutions

Swap chicken for ground turkey or cooked bacon for a twist.

Use cheddar or Monterey Jack if you prefer a milder cheese.

Make it vegetarian by skipping the chicken and doubling the veggies.

Storage & Leftovers

Store cooled leftovers in an airtight container for up to 3 days.

Reheat in the oven for best texture, or in the microwave for convenience.

Freeze unbaked casserole (without topping) for up to 2 months, then thaw and bake fresh.

FAQs

Can I make this casserole ahead of time?
Yes, assemble it up to a day in advance and refrigerate. Add topping and bake when ready.

How spicy is this casserole?
It has a mild to medium heat, but you can control spice by adjusting the jalapeños and cayenne.

Can I use dry pasta instead of frozen egg noodles?
Yes, just cook regular pasta until al dente and substitute.

Do I need to use rotisserie chicken?
No, any cooked shredded chicken will work.

Can I make this gluten-free?
Yes, substitute gluten-free pasta and gluten-free panko breadcrumbs.

How do I keep the topping crunchy?
Broil just before serving and avoid covering after baking.

Final Thoughts

This jalapeño popper casserole is creamy, cheesy, and full of bold flavor.

With its crispy topping and tender noodles, it’s a dish that will quickly become a family favorite.