Cheesy Chicken Pumpkin Casserole

Why You’ll Love This Recipe

This casserole is the ultimate combination of rich, cheesy comfort food with a seasonal twist. The pumpkin puree adds creaminess and subtle sweetness without overpowering the dish, while chicken and broccoli make it a well-rounded, filling meal. It’s simple enough for weeknights yet special enough for family gatherings. Plus, it’s low-carb and gluten-free, making it a great option for different dietary needs.

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

• 2 tablespoons olive oil
• 1 1/2 pounds boneless, skinless chicken thighs, cut into bite-sized pieces
• 1/2 medium onion, chopped
• 3 cups broccoli florets
• 2 tablespoons butter
• 2 teaspoons minced garlic
• 1 cup heavy whipping cream
• 1/3 cup pumpkin puree
• 1/4 cup Parmesan cheese, grated
• 1 1/2 cups mozzarella cheese

Directions

1. Preheat oven to 375°F (190°C). Lightly grease a 9×13-inch casserole dish.
2. Heat olive oil in a large skillet over medium heat. Add the chicken pieces and cook until golden brown and cooked through, about 6–7 minutes. Remove from skillet and set aside.
3. In the same skillet, add onion and broccoli. Cook for 3–4 minutes until slightly softened. Transfer vegetables to the casserole dish along with the cooked chicken.
4. In the skillet, melt butter and sauté garlic for about 1 minute until fragrant. Stir in the heavy cream and pumpkin puree, whisking until smooth. Add Parmesan cheese and stir until sauce thickens slightly.
5. Pour the pumpkin cream sauce over the chicken and broccoli mixture in the casserole dish. Gently stir to coat everything evenly.
6. Sprinkle mozzarella cheese on top.
7. Bake uncovered for 20–25 minutes, or until the cheese is melted and bubbly.
8. Let rest for 5 minutes before serving.

Servings and timing

This recipe serves 6 people. Preparation time is about 15 minutes, and cooking/baking time is around 30 minutes.

Variations

• Swap chicken thighs for chicken breasts or turkey.
• Add mushrooms, bell peppers, or zucchini for extra veggies.
• Use cheddar or Gruyère cheese instead of mozzarella for a different flavor profile.
• Make it spicy by adding a pinch of red pepper flakes or cayenne.
• For a lighter version, substitute half-and-half for heavy cream.

Storage/Reheating

Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat in the oven at 350°F (175°C) for 15–20 minutes until warmed through, or microwave individual portions. This casserole also freezes well wrap tightly and freeze for up to 2 months. Reheat from frozen in the oven until bubbly and hot.

FAQs

Can I use chicken breasts instead of thighs?

Yes, chicken breasts can be used, though thighs stay juicier in casseroles.

Can I make this ahead of time?

Yes, assemble the casserole up to a day in advance, cover, and refrigerate. Bake when ready to serve.

Does the pumpkin make it taste sweet?

No, the pumpkin adds creaminess and a mild flavor without making the dish taste like dessert.

Can I use frozen broccoli?

Yes, but thaw and drain well to avoid extra liquid in the casserole.

What cheese works best for this casserole?

Mozzarella provides melty texture, but cheddar, Gruyère, or Monterey Jack are great alternatives.

How do I thicken the sauce?

The Parmesan helps thicken it, but you can simmer the sauce longer or add a tablespoon of cream cheese if needed.

Is this casserole gluten-free?

Yes, this recipe is naturally gluten-free.

Can I double the recipe?

Absolutely use a larger baking dish or two casseroles and increase the baking time slightly.

Can I freeze leftovers?

Yes, store cooled portions in freezer-safe containers for up to 2 months.

What can I serve with this casserole?

It pairs well with a side salad, garlic bread, or roasted vegetables.

Conclusion

Cheesy chicken pumpkin casserole is a cozy, flavorful dish that combines tender chicken, nutritious broccoli, and a creamy pumpkin sauce topped with plenty of melted cheese. It’s easy to make, family-friendly, and perfect for chilly evenings. Whether you’re meal prepping or serving it fresh out of the oven, this recipe will quickly become a seasonal favorite.

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