One-Pan Chicken and Broccoli Casserole with Cheddar

By AislePrompt Editorial · Published 2026-04-14 · Updated 2026-04-14

A comforting baked casserole featuring tender chicken, crisp broccoli, and melted cheddar, all in one pan for effortless weeknight dining. This American-inspired one-pot recipe (low-carb), ready in about 50 minutes, pairs chicken breast, broccoli florets, cheddar cheese for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 420 calories and feeds 4, so it slots cleanly into a low-carb week and pairs well with cauliflower rice or roasted green vegetables. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Ingredients

• 1 lb chicken breast
• 2 cups broccoli florets
• 1 cup cheddar cheese
• 1/2 cup heavy cream
• 1 tsp garlic powder
• 1/2 tsp onion powder
• 1 tbsp olive oil
• 1/2 tsp salt
• 1/4 tsp black pepper

The 9x13 baking dish we’d bake this in → Best Bakeware for 2026: Top Picks + Buying Guide

Instructions

1. Step 1: Preheat oven to 375°F (190°C). Toss 1 lb diced chicken breast with 1 tbsp olive oil, 1 tsp garlic powder, 1/2 tsp onion powder, 1/2 tsp salt, and 1/4 tsp black pepper until evenly coated.
2. Step 2: Spread chicken in a single layer on a parchment-lined baking sheet. Bake for 20 minutes until golden and cooked through.
3. Step 3: Steam 2 cups broccoli florets until crisp-tender (about 5 minutes), then set aside.
4. Step 4: Mix 1/2 cup heavy cream with 1/4 tsp salt and 1/4 tsp black pepper in a small bowl.
5. Step 5: After baking chicken for 20 minutes, spread steamed broccoli over chicken, pour cream mixture evenly over top, and sprinkle 1 cup shredded cheddar cheese on surface.
6. Step 6: Return to oven and bake 10-15 minutes until cheese is melted and bubbly.