Oven-Baked 5-Ingredient Chicken Marengo

Oven-Baked 5-Ingredient Chicken Marengo

This Oven-Baked 5-Ingredient Chicken Marengo is an easy, comforting casserole featuring juicy chicken thighs baked with mushrooms and tomatoes in a rich, creamy sauce. Everything cooks together in one baking dish, creating a hearty family dinner that’s perfect for busy weeknights or Sunday supper.

Why You’ll Love This Recipe

• Only 5 main ingredients.
• One-pan meal with easy cleanup.
• Tender, juicy chicken in a rich savory sauce.
• Perfect for serving over rice, noodles, or mashed potatoes.
• Great for meal prep and freezer-friendly.

Recipe Details

• Prep Time: 15 minutes
• Cook Time: 1 hour 20 minutes
• Total Time: 1 hour 35 minutes
• Servings: 6

Ingredients

• 3 pounds bone-in, skin-on chicken thighs (6–8 pieces)
• 1 teaspoon kosher salt
• ½ teaspoon black pepper
• 2 (8-ounce) packages sliced mushrooms
• 1 (14.5-ounce) can diced tomatoes with juices
• 1 (10.5-ounce) can condensed cream of mushroom soup
• 2 tablespoons olive oil (optional, for browning)

Instructions

1. Preheat the oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish.
2. Pat the chicken thighs dry with paper towels and season both sides with the salt and black pepper.
3. For extra flavor, heat the olive oil in a large skillet over medium-high heat. Brown the chicken skin-side down for 4–5 minutes, then flip and cook for another 2–3 minutes. Transfer the chicken to the prepared baking dish, skin-side up. (You may skip this step if preferred.)
4. Scatter the sliced mushrooms around and between the chicken pieces.
5. In a medium bowl, stir together the diced tomatoes with their juices and the condensed cream of mushroom soup until combined.
6. Pour the sauce evenly over the chicken and mushrooms, leaving the tops of the chicken skin exposed.
7. Cover the baking dish tightly with aluminum foil and bake for 45 minutes.
8. Remove the foil, spoon some sauce over the chicken, and continue baking uncovered for 25–35 minutes, until the chicken reaches an internal temperature of 165°F (74°C) and the sauce is bubbling.
9. For crispier skin, broil for 2–3 minutes at the end, watching carefully.
10. Let the casserole rest for 5–10 minutes before serving. Spoon the sauce and mushrooms over each chicken thigh and serve hot.

Serving Suggestions

• Mashed potatoes
• Buttered egg noodles
• Steamed white rice
• Crusty bread or dinner rolls
• Green beans or a fresh garden salad

Recipe Tips

• Searing the chicken adds deeper flavor and better color but isn’t required.
• Add 1 teaspoon Italian seasoning or a minced garlic clove for extra flavor.
• A splash of dry white wine gives the sauce a classic Chicken Marengo taste.
• Boneless thighs or drumsticks can be substituted, adjusting the cooking time as needed.

Storage

Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat in the microwave or oven until heated through.

Freezing

Allow the casserole to cool completely before transferring it to freezer-safe containers. Freeze for up to 3 months. Thaw overnight in the refrigerator and reheat gently, adding a splash of chicken broth if the sauce has thickened.