Ground Chicken Broccoli Casserole – A Cozy, Weeknight-Friendly Bake
This casserole checks all the boxes for a busy weeknight: simple prep, familiar flavors, and a warm, satisfying finish. Ground chicken keeps it lean without losing that hearty, comforting feel. Broccoli adds color and crunch, while a creamy sauce ties it all together.
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You can assemble it ahead, bake it when you’re ready, and feed a crowd without fuss. It’s the kind of recipe that feels homey and approachable, even on the first try.
Ingredients
Method
- Preheat the oven to 375°F (190°C). Lightly grease a 9x13-inch baking dish.
- Prep the broccoli. If using fresh, cut into small florets. Blanch in boiling water for 2 minutes, then drain well. If using frozen, thaw and pat dry to remove excess moisture.
- Cook the aromatics. Heat olive oil or butter in a large skillet over medium. Add diced onion and cook 3–4 minutes until softened. Stir in minced garlic and cook 30 seconds until fragrant.
- Brown the ground chicken. Add the chicken to the skillet. Season with salt, pepper, onion powder, garlic powder, and paprika. Cook, breaking it up with a spoon, until no longer pink and lightly browned, about 5–7 minutes.
- Make the creamy sauce. Sprinkle flour over the chicken and stir to coat. Slowly whisk in chicken broth, then milk. Simmer 2–3 minutes until slightly thickened and glossy.
- Stir in the dairy. Remove from heat. Fold in Greek yogurt or sour cream, 1 cup of shredded cheese, and 1/4 cup Parmesan. Taste and adjust seasoning.
- Combine with veggies. Add broccoli florets to the skillet. If using rice or quinoa, fold that in now. Mix gently until everything is coated.
- Transfer and top. Spoon the mixture into the baking dish. Sprinkle with remaining shredded cheese and remaining 1/4 cup Parmesan. If using, scatter breadcrumbs or crushed crackers on top for crunch.
- Bake. Place on the center rack and bake 18–22 minutes, until bubbly around the edges and the top is golden.
- Rest and serve. Let the casserole sit 5–10 minutes to set. Garnish with chopped parsley or chives. Serve warm.
What Makes This Recipe So Good
Balanced comfort: You get the richness of a classic casserole without it feeling heavy, thanks to ground chicken and lots of broccoli.
Family-proof flavors: Mild, savory, and creamy with a light cheese finish—picky eaters tend to say yes to this one.
Flexible: Swap cheeses, add grains, or use different veggies. It’s a blank canvas with a solid base.
Make-ahead friendly: Assemble in the morning, bake at dinner.
It reheats well and tastes great the next day.
One-pan convenience: Cook the chicken and sauce in one skillet, then transfer to a baking dish. Less mess, easy cleanup.
Shopping List
- 1 pound ground chicken
- 4 cups broccoli florets (fresh or frozen)
- 1 small yellow onion, finely diced
- 3 cloves garlic, minced
- 2 tablespoons olive oil or butter
- 1 teaspoon kosher salt (plus more to taste)
- 1/2 teaspoon black pepper
- 1 teaspoon onion powder
- 1 teaspoon garlic powder
- 1/2 teaspoon paprika (smoked or sweet)
- 1 cup chicken broth (low sodium preferred)
- 1 cup milk (whole or 2%; unsweetened almond milk also works)
- 2 tablespoons all-purpose flour (or cornstarch for gluten-free)
- 1/2 cup plain Greek yogurt or sour cream
- 1 1/2 cups shredded cheese (cheddar, Monterey Jack, or mozzarella)
- 1/2 cup grated Parmesan, divided
- 1 cup cooked rice or quinoa (optional, for a heartier bake)
- 1/2 cup breadcrumbs or crushed crackers (optional topping)
- Fresh parsley or chives for garnish (optional)
Instructions
- Preheat the oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
- Prep the broccoli.
If using fresh, cut into small florets. Blanch in boiling water for 2 minutes, then drain well. If using frozen, thaw and pat dry to remove excess moisture.
- Cook the aromatics.
Heat olive oil or butter in a large skillet over medium. Add diced onion and cook 3–4 minutes until softened. Stir in minced garlic and cook 30 seconds until fragrant.
- Brown the ground chicken.
Add the chicken to the skillet. Season with salt, pepper, onion powder, garlic powder, and paprika. Cook, breaking it up with a spoon, until no longer pink and lightly browned, about 5–7 minutes.
- Make the creamy sauce.
Sprinkle flour over the chicken and stir to coat. Slowly whisk in chicken broth, then milk. Simmer 2–3 minutes until slightly thickened and glossy.
- Stir in the dairy.
Remove from heat. Fold in Greek yogurt or sour cream, 1 cup of shredded cheese, and 1/4 cup Parmesan. Taste and adjust seasoning.
- Combine with veggies.
Add broccoli florets to the skillet. If using rice or quinoa, fold that in now. Mix gently until everything is coated.
- Transfer and top.
Spoon the mixture into the baking dish. Sprinkle with remaining shredded cheese and remaining 1/4 cup Parmesan. If using, scatter breadcrumbs or crushed crackers on top for crunch.
- Bake.
Place on the center rack and bake 18–22 minutes, until bubbly around the edges and the top is golden.
- Rest and serve. Let the casserole sit 5–10 minutes to set. Garnish with chopped parsley or chives.
Serve warm.
How to Store
- Refrigerator: Cool completely, then cover tightly. Store up to 4 days. Reheat individual portions in the microwave or warm the whole dish in a 325°F oven until hot.
- Freezer: Assemble but don’t bake, or freeze leftovers.
Wrap well in plastic and foil. Freeze up to 2 months. Thaw overnight in the fridge, then bake at 350°F until heated through.
- Meal prep tip: Portion into airtight containers for easy lunches.
Add a squeeze of lemon when reheating to brighten the flavors.
Benefits of This Recipe
- Protein-forward: Ground chicken provides lean protein that keeps you full without weighing you down.
- Veggie-packed: Broccoli adds fiber, vitamins, and a fresh bite that balances the creamy sauce.
- Budget-friendly: Everyday ingredients, simple prep, and a big yield make it cost-effective.
- Kid-friendly: Mild flavors and cheesy topping help sell the greens.
- Flexible nutrition: Use low-fat dairy, gluten-free thickener, or extra veggies as needed.
Pitfalls to Watch Out For
- Watery casserole: Be sure to drain broccoli well and pat it dry. Too much moisture will thin the sauce and dampen the topping.
- Under-seasoning: Taste the sauce before baking. Add salt and pepper if it seems flat—cheese won’t fix blandness on its own.
- Overcooking the chicken: Brown it just until done.
Dry chicken can make the whole casserole feel less creamy.
- Skipping the rest: Let the casserole sit after baking. This helps it set and slice cleanly.
Alternatives
- Dairy-free: Use olive oil, dairy-free milk, and a plant-based yogurt. Swap cheese for a dairy-free meltable or skip it and add extra seasoning.
- Gluten-free: Thicken the sauce with cornstarch (mix 1 tablespoon with cold milk before adding).
Use gluten-free breadcrumbs or omit the topping.
- Different proteins: Ground turkey works well. For a richer option, try rotisserie chicken, shredded and folded in at the end.
- More veggies: Add mushrooms, peas, or diced carrots. Sauté mushrooms with the onion to cook off moisture.
- Flavor twists: Stir in 1 teaspoon Dijon mustard, a pinch of red pepper flakes, or a squeeze of lemon for brightness.
Swap cheddar for pepper jack if you like heat.
- Low-carb: Skip rice or quinoa and keep the broccoli generous. Add cauliflower florets or riced cauliflower to bulk it up.
FAQ
Can I use rotisserie chicken instead of ground chicken?
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Yes. Shred about 3 cups of cooked chicken and fold it into the sauce after it thickens.
Since it’s already cooked, shorten the bake time slightly—pull it once it’s hot and bubbly.
Do I have to blanch the broccoli first?
It’s best for texture. Blanching or using thawed, well-drained frozen broccoli helps it stay tender-crisp, not mushy or watery. If you skip it, cut florets very small and expect a slightly firmer bite.
What cheese works best?
Cheddar gives classic casserole flavor, Monterey Jack melts smoothly, and mozzarella brings that stretchy pull.
A mix is ideal. Parmesan on top adds a savory finish.
How can I make the sauce thicker?
Use a touch more flour (or cornstarch slurry) and let it simmer until it coats the back of a spoon. Also make sure your broccoli is dry, or extra moisture will thin the sauce in the oven.
Can I assemble it ahead?
Absolutely.
Assemble up to 24 hours in advance, cover, and refrigerate. Add 5–10 minutes to the bake time if going straight from the fridge.
Is there a way to add more protein?
Yes. Mix in cooked quinoa, use Greek yogurt instead of sour cream, and top with a bit more cheese.
You can also add a can of drained white beans for extra fiber and protein.
What if I don’t have chicken broth?
Use water plus 1/2 teaspoon additional salt and a dash of onion powder. Vegetable broth works too, though it will slightly change the flavor.
How do I keep the topping crispy when reheating?
Reheat in the oven at 350°F, uncovered, until hot. If needed, broil for 1–2 minutes at the end.
Add a small sprinkle of fresh breadcrumbs before reheating to refresh the crunch.
Wrapping Up
Ground Chicken Broccoli Casserole delivers comforting flavor with simple steps and easy-to-find ingredients. It’s flexible enough to match your pantry and sturdy enough to become a weeknight staple. Whether you serve it as-is or layer in grains, it brings a cozy, home-cooked feel to the table with minimal effort.
Make it once, tweak it to your taste, and keep it in your regular rotation.
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About the Author
Brandon D
Blogger/Fitness & Wellness Coach
I create quick, healthy, family-friendly recipes that make dinner simple, delicious, and stress-free.
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