Herb-Roasted Chicken and Mushroom Casserole

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

A rich, savory casserole with herb-seasoned chicken, mushrooms, and a creamy sauce, baked to golden perfection. This french-inspired chicken ready in about 80 minutes pairs chicken thighs, mushrooms, shallots for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 450 calories and feeds 6, 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.

Prep: 30 min Cook: 50 min Serves 6 French cuisine 450 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 375°F (190°C). In a large oven-safe skillet, melt 2 tbsp unsalted butter over medium heat. Add 4 crumbled bacon slices and cook for 2-3 minutes until crispy. Remove and reserve.
  2. Step 2: Add 2 diced shallots and 3 minced garlic cloves to the skillet. Sauté for 3-4 minutes until softened. Stir in 12 oz sliced mushrooms and 1/2 cup white wine. Cook for 5-6 minutes until mushrooms are tender and liquid is absorbed.
  3. Step 3: Add 2 lbs bone-in chicken thighs, 1 tbsp fresh thyme, 1 tbsp fresh rosemary, 1 tsp salt, and 1/2 tsp black pepper. Cook for 2-3 minutes until chicken is seared on all sides.
  4. Step 4: Pour 1/2 cup heavy cream into the skillet. Cook for 2-3 minutes until sauce thickens. Transfer to oven and bake for 35-40 minutes until chicken is fully cooked and juices run clear. Garnish with reserved bacon and serve with additional herbs.

Frequently asked questions

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

Total time is about 80 minutes (30 min prep + 50 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 and 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 and 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 and Mushroom Casserole for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). 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 and 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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