Oven Baked 5 Ingredient Chicken Marengo
This oven-baked Chicken Marengo casserole is a classic easy comfort food recipe made with just 5 simple ingredients. Featuring juicy bone-in chicken thighs, tender mushrooms, and a rich tomato mushroom gravy, this dish is the perfect blend of cozy homemade flavor and effortless weeknight cooking.
Often served at potlucks and family gatherings, this easy chicken casserole recipe delivers deep, slow-braised taste with minimal prep. Everything bakes in one dish, making cleanup just as simple as the cooking process.
Why You’ll Love This Recipe (Benefits)
- Only 5 main ingredients for budget-friendly cooking
- One-pan casserole = minimal cleanup
- Rich, comforting flavor from mushrooms and tomatoes
- Perfect for family dinners or potlucks
- Juicy, tender oven-braised chicken thighs
- Delicious with rice, mashed potatoes, or noodles
- Freezer-friendly and great for meal prep
Servings: 6
Ingredients
- 3 lbs bone-in, skin-on chicken thighs (6–8 pieces)
- 1 tsp kosher salt
- 1/2 tsp black pepper
- 2 (8 oz) packages sliced mushrooms
- 1 (14.5 oz) can diced tomatoes (with juices)
- 1 (10.5 oz) can condensed cream of mushroom soup
- 2 tbsp olive oil (optional, for browning)
Directions
- Preheat oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish.
- Season chicken with salt and pepper on both sides.
- (Optional but recommended) Sear chicken in olive oil until golden brown for deeper flavor.
- Place chicken in the baking dish, then scatter mushrooms around and between pieces.
- In a bowl, mix diced tomatoes + cream of mushroom soup until combined. Pour over chicken.
- Cover tightly with foil and bake for 45 minutes.
- Remove foil, spoon sauce over chicken, then bake 25–35 minutes uncovered until tender and bubbly.
- Optional: Broil for 2–3 minutes for a golden top.
- Rest 5–10 minutes before serving.
Serving Ideas
This easy chicken casserole pairs perfectly with:
- Fluffy white rice
- Mashed potatoes
- Buttered egg noodles
- Steamed green beans
- Crusty bread for dipping
Pro Tips
- Add garlic or Italian seasoning for extra flavor
- Swap chicken thighs for drumsticks if needed
- Use crushed tomatoes for a smoother sauce
- Always check internal temperature: 165°F (74°C)
Storage & Freezing
- Refrigerate leftovers up to 4 days
- Freeze up to 3 months
- Reheat until steaming hot for best flavor
