Description
This Chicken, Spinach, and Mushroom Low-Carb Oven Dish is creamy, cheesy comfort food you can feel great about! Tender chicken, garlicky sautéed mushrooms, and fresh spinach are baked to bubbly perfection in a rich, low-carb cream sauce. Keto-friendly, family-approved, and ready in under an hour—perfect for busy weeknights or cozy Sunday suppers.
Ingredients
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1.5 pounds boneless skinless chicken breasts or thighs
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8 ounces fresh mushrooms (button, cremini, or shiitake), sliced
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5 ounces fresh baby spinach
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1 small yellow onion, diced
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3 cloves garlic, minced
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1 cup heavy cream (or coconut cream for dairy-free)
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1½ cups shredded mozzarella cheese (or cheese of choice)
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¼ cup grated Parmesan cheese (optional, for topping)
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2 tablespoons olive oil or butter
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1 teaspoon salt
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½ teaspoon black pepper
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¼ teaspoon red pepper flakes (optional, for spice)
Instructions
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Preheat your oven to 375°F (190°C) and lightly grease a 9×13-inch baking dish.
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In a large skillet, heat olive oil or butter over medium-high heat. Sear chicken on both sides (2–3 minutes per side) until golden. Set aside.
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In the same skillet, add onion and garlic. Sauté for 1–2 minutes until fragrant.
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Add mushrooms and cook until browned and moisture has mostly evaporated, about 5–6 minutes.
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Stir in spinach and cook just until wilted.
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Pour in the heavy cream and stir to combine. Simmer for 1–2 minutes. If desired, stir in a handful of shredded cheese to thicken.
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Transfer the mushroom-spinach mixture to the baking dish. Arrange seared chicken over the top. Pour cream sauce evenly over the chicken.
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Sprinkle with remaining mozzarella and optional Parmesan cheese.
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Bake uncovered for 25–30 minutes or until bubbly and chicken reaches 165°F (74°C).
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Let rest for 5 minutes before serving. Garnish with herbs or extra cheese, if desired.
Notes
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Cheese Variations: Try provolone, gouda, or sharp cheddar for a different flavor profile.
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Low-Moisture Tip: Always sauté mushrooms and spinach thoroughly to reduce moisture before baking.
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Dairy-Free Option: Use coconut cream and a dairy-free shredded cheese alternative.
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Make Ahead: Assemble up to 24 hours in advance, refrigerate, and bake fresh.
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Freezer-Friendly: Assemble (unbaked), wrap tightly, and freeze. Thaw overnight in the fridge before baking.
Equipment
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9×13-inch oven-safe baking dish
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Large skillet
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Wooden spoon
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Sharp knife
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Cutting board
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Measuring cups and spoons
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Category: Dinner
- Method: Oven-Baked, Sautéed
- Cuisine: American, Keto-Friendly, Low-Carb
Nutrition
- Serving Size: 1 portion (1/6 of recipe)
- Calories: 420 kcal
- Sugar: 2g
- Sodium: 510mg
- Fat: 28g
- Saturated Fat: 14g
- Unsaturated Fat: 12g
- Trans Fat: 0g
- Carbohydrates: 6g
- Fiber: 2g
- Protein: 36g
- Cholesterol: 125mg
Keywords: chicken spinach mushroom bake, low-carb chicken dinner, keto oven chicken, creamy chicken casserole, gluten-free chicken dish, weeknight chicken recipe