Oven-Baked Chicken and Broccoli Casserole with Cashew Cream
A wholesome casserole featuring tender chicken, crisp broccoli, and sautéed mushrooms in a rich cashew cream, baked to golden perfection. This American-inspired chicken recipe (whole30, gluten free), ready in about 75 minutes, pairs boneless skinless chicken breasts, fresh broccoli florets, sliced cremini mushrooms for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 calories and feeds 4, so it slots cleanly into a Whole30 week and pairs well with roasted sweet potato or a simple olive-oil salad. 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 boneless skinless chicken breasts
- 3 cups fresh broccoli florets
- 1 cup sliced cremini mushrooms
- 3/4 cup raw cashews
- 1 1/2 cups water
- 3 garlic cloves
- 2 tbsp olive oil
- 2 tbsp nutritional yeast
- 1 tbsp lemon juice
- 1 tsp sea salt
- 1/2 tsp black pepper
- 2 cups cauliflower rice
The 9x13 baking dish we’d bake this in → Best Bakeware for 2026: Top Picks + Buying Guide
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Equipment for this recipe
Tools this recipe's steps call for, with a link to each on Amazon.
Instructions
- Step 1: Soak 3/4 cup raw cashews in hot water for 30 minutes, then drain, and blend with 1 1/2 cups fresh water, 3 minced garlic cloves, 2 tbsp nutritional yeast, 1 tbsp lemon juice, 1 tsp sea salt, and 1/2 tsp black pepper until smooth and creamy.
- Step 2: Preheat oven to 375°F. Heat 2 tbsp olive oil in a large skillet over medium heat. Add 1 cup sliced cremini mushrooms and sauté for 5 minutes until softened and fragrant.
- Step 3: Add 1 lb diced boneless skinless chicken breasts to the skillet and cook for 6-8 minutes until just cooked through and lightly browned.
- Step 4: Stir in 3 cups fresh broccoli florets and sauté for 3 minutes until broccoli is bright green and slightly tender.
- Step 5: Mix the sautéed chicken, broccoli, and mushrooms with the cashew cream sauce and fold in 2 cups cauliflower rice evenly.
- Step 6: Transfer the mixture to a greased 9x13 inch baking dish and bake uncovered for 25 minutes until the top is bubbly and slightly golden.









