Herb-Roasted Chicken & Mushroom Casserole

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A savory, one-dish meal featuring herb-seasoned chicken, earthy mushrooms, and a golden breadcrumb crust for a crispy finish. This french-inspired chicken ready in about 65 minutes pairs chicken thighs, mushrooms, olive oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 400 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. 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.

★ 4.3 (12 ratings) Prep: 25 min Cook: 40 min Serves 4 French cuisine 400 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 400°F (200°C). In a large bowl, mix 1.5 lbs chicken thighs with 1 tsp salt, 1/2 tsp black pepper, 1 tbsp minced garlic, 1 tbsp chopped thyme, and 1 tbsp chopped rosemary.
  2. Step 2: In another bowl, combine 1/2 cup breadcrumbs, 1/4 cup grated Parmesan, and 2 tbsp olive oil. Press the mixture onto the chicken pieces to form a crust.
  3. Step 3: Spread 12 oz sliced cremini mushrooms in a 9x13-inch baking dish. Arrange the chicken on top and drizzle with remaining 1 tbsp olive oil.
  4. Step 4: Bake for 35-40 minutes until the chicken is golden and cooked through, and the mushrooms are tender. Serve hot with a side of roasted vegetables if desired.

Frequently asked questions

How long does Herb-Roasted Chicken & Mushroom Casserole take to make?

Total time is about 65 minutes (25 min prep + 40 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Herb-Roasted Chicken & Mushroom Casserole?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep chicken thighs from drying out.

Can I substitute ingredients in Herb-Roasted Chicken & Mushroom Casserole?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Herb-Roasted Chicken & Mushroom Casserole for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Herb-Roasted Chicken & Mushroom Casserole?

French chicken like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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