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Keto Chicken Bruschetta Bake – Fresh, Flavorful, and Low-Carb

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Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 6 servings
Ingredients Method

Ingredients
  

  • Chicken: 4 small to medium boneless, skinless chicken breasts (about 1.5–2 pounds total) or 6–8 thin cutlets
  • Olive oil: 2 tablespoons, divided
  • Garlic: 3–4 cloves, minced
  • Cherry or grape tomatoes: 2 cups, halved
  • Fresh basil: 1/2 cup, chopped (plus more for garnish)
  • Red onion: 1/4 cup, very finely diced (optional but great for bite)
  • Balsamic vinegar: 1–2 teaspoons (see note on keto friendliness below)
  • Shredded or sliced mozzarella: 1 to 1 1/2 cups; fresh mozzarella works too
  • Parmesan: 1/4 cup, grated (optional for extra savory flavor)
  • Italian seasoning: 1 teaspoon
  • Salt and pepper: To taste
  • Crushed red pepper flakes: A pinch (optional for heat)

Method
 

  1. Prep the oven and pan: Preheat oven to 400°F (200°C). Lightly oil a baking dish large enough to hold the chicken in a single layer.
  2. Make the bruschetta topping: In a medium bowl, combine halved tomatoes, minced garlic, chopped basil, red onion, 1 tablespoon olive oil, balsamic (or alternative), a pinch of salt, black pepper, and red pepper flakes if using. Toss gently and set aside to marinate.
  3. Season the chicken: Pat chicken dry. Season both sides with salt, pepper, and Italian seasoning. This helps the sear and keeps the chicken flavorful.
  4. Sear for better texture (optional but recommended): Heat 1 tablespoon olive oil in a skillet over medium-high. Sear chicken 2–3 minutes per side until lightly golden. You’re not cooking it through—just building flavor. Transfer to the baking dish.
  5. Assemble: Spoon the tomato-basil mixture over the chicken. Top evenly with mozzarella and a sprinkle of Parmesan if using.
  6. Bake: Cook 15–20 minutes, or until the chicken reaches an internal temperature of 165°F (74°C) and the cheese is melted and bubbly.
  7. Broil for golden cheese: If you like a browned top, broil 1–2 minutes. Watch closely so it doesn’t burn.
  8. Rest and garnish: Let the chicken rest 5 minutes. Garnish with extra fresh basil. Taste and finish with a small splash of balsamic or a drizzle of olive oil if desired.
  9. Serve: Pair with zucchini noodles, sautéed spinach, roasted broccoli, or a simple green salad.