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Keto Chicken Italian Bake - Simple, Comforting, and Full of Flavor

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Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings: 6 servings
Ingredients Method

Ingredients
  

  • 2 pounds boneless, skinless chicken (breasts or thighs; thighs stay juicier)
  • 1 cup low-carb marinara sauce (look for no added sugar; about 4–6 g net carbs per 1/2 cup or less)
  • 1 1/2 cups shredded mozzarella cheese
  • 1/2 cup grated Parmesan cheese
  • 2 tablespoons olive oil
  • 2 teaspoons Italian seasoning
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 1/2 teaspoon red pepper flakes (optional, for heat)
  • Salt and black pepper to taste
  • Fresh basil or parsley for garnish (optional)
  • Optional add-ins: 1 cup sliced mushrooms, 1 cup baby spinach, or 1/2 cup sliced black olives

Method
 

  1. Preheat and prep: Heat your oven to 400°F (200°C). Lightly grease a 9x13-inch baking dish with olive oil or cooking spray.
  2. Season the chicken: Pat the chicken dry. Drizzle with olive oil, then sprinkle evenly with Italian seasoning, garlic powder, onion powder, red pepper flakes (if using), salt, and pepper. Rub to coat both sides.
  3. Quick sear for flavor (optional but recommended): In a hot skillet with a splash of olive oil, sear the chicken 2–3 minutes per side to get light color. You’re not cooking it through—just adding flavor. Skip this step if you’re short on time.
  4. Layer the dish: Spread half the marinara in the baking dish. Arrange the chicken in a single layer. If using mushrooms or spinach, scatter them around the chicken.
  5. Add sauce and cheese: Spoon the remaining marinara over the chicken. Top with mozzarella and sprinkle with Parmesan.
  6. Bake: Place in the oven and bake for 20–25 minutes if you seared the chicken, or 25–30 minutes if you didn’t. The chicken is done when it reaches an internal temperature of 165°F (74°C) and the cheese is melted and bubbling.
  7. Broil for a golden top: Switch to broil for 1–3 minutes to lightly brown the cheese. Watch closely to prevent burning.
  8. Rest and garnish: Let it rest for 5 minutes so the juices settle. Top with chopped fresh basil or parsley for brightness.
  9. Serve: Pair with roasted zucchini, sautéed green beans, cauliflower rice, or a simple arugula salad with olive oil and lemon.