Save A comforting, cheesy casserole featuring tender chicken, crisp broccoli, and a golden cheddar topping—perfect for a cozy family dinner.
I first made this bake on a chilly evening when my family needed something hearty and easy. It quickly became a staple because everyone requests seconds every time.
Ingredients
- 2 large boneless, skinless chicken breasts: about 500 g, cut into 2.5 cm (1-inch) cubes
- Fresh broccoli florets: 2 cups (about 200 g)
- Onion: 1 small, finely chopped
- Garlic: 2 cloves, minced
- Shredded sharp cheddar cheese: 1 ¼ cups (140 g), divided
- Sour cream: ¾ cup (180 ml)
- Milk: ½ cup (120 ml)
- Salt: ½ teaspoon
- Ground black pepper: ¼ teaspoon
- Dijon mustard: 1 teaspoon
- Dried thyme: 1 teaspoon
- Gluten-free or regular breadcrumbs: ½ cup (30 g)
- Unsalted butter: 2 tablespoons, melted
Instructions
- Preheat and Prepare Dish:
- Preheat oven to 200°C (400°F). Lightly grease a 23x33 cm (9x13 inch) baking dish
- Sauté Aromatics:
- In a large skillet over medium heat, sauté onion and garlic in 1 tablespoon of butter until softened, about 3 minutes
- Partially Cook Chicken:
- Add chicken cubes and cook, stirring, until just opaque, about 4–5 minutes. Remove from heat
- Prepare Sauce:
- In a large bowl, whisk together sour cream, milk, 1 cup cheddar cheese, Dijon mustard, thyme, salt, and pepper
- Combine with Broccoli & Chicken:
- Fold in broccoli florets and the partially cooked chicken mixture until evenly combined
- Assemble Bake:
- Spread mixture evenly in the prepared baking dish
- Make Topping:
- In a small bowl, mix breadcrumbs with melted butter. Sprinkle remaining ¼ cup cheddar cheese and breadcrumb mixture over casserole
- Bake:
- Bake uncovered for 30–35 minutes, until bubbly and golden on top
- Rest & Serve:
- Let stand for 5 minutes before serving
Pin it This casserole was an instant hit with my kids, especially when we all gathered at the kitchen table during busy weeknights. The leftovers are just as popular the next day.
Serving Suggestions
Pair this bake with a crisp green salad or serve it over rice for an even heartier meal. A glass of white wine like Chardonnay complements the dish perfectly.
Diet & Allergens
Contains: Milk (cheese, sour cream, butter), Wheat (if using regular breadcrumbs). To make gluten-free, use certified gluten-free breadcrumbs and always check product labels for allergens.
Nutrition Facts
Each serving provides approximately 430 calories, 27 g total fat, 13 g carbohydrates, and 34 g protein.
Pin it This bake is the answer for cozy dinners on cool nights. Enjoy every cheesy, golden bite with your favorite sides!
Frequently Asked Questions
- → Can I use frozen broccoli instead of fresh?
Yes, frozen broccoli can be substituted but make sure to thaw and drain it well before adding to avoid excess moisture in the bake.
- → How do I make this dish gluten-free?
Use certified gluten-free breadcrumbs in the topping to keep it gluten-free without compromising texture.
- → What is the best cheese to use for this dish?
Sharp cheddar provides a rich and tangy flavor that complements the chicken and broccoli perfectly.
- → Can I prepare this casserole ahead of time?
Yes, you can assemble it a few hours before baking. Keep it refrigerated and bake when ready to serve.
- → What side dishes pair well with this bake?
Light green salads or steamed rice balance the richness and make for a complete meal.
- → Can I substitute sour cream with another ingredient?
Greek yogurt is an excellent lighter alternative that maintains creaminess and flavor.