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Caramelized Onion & Garlic Butter Chicken Bake


  • Author: WAFA LI

Ingredients

Scale
  • 4 boneless, skinless chicken breasts
  • Salt & black pepper to taste
  • 2 tbsp olive oil
  • 2 large yellow onions, thinly sliced
  • 4 garlic cloves, minced
  • 3 tbsp unsalted butter, divided
  • ½ cup chicken broth
  • 1 tbsp fresh thyme leaves (or 1 tsp dried)
  • 1 tsp Dijon mustard (optional, for depth)
  • Optional: ¼ cup dry white wine
For serving:
  • Mashed potatoes, rice, or crusty bread
  • Fresh parsley or thyme

Instructions

  1. Caramelize onions: Heat 1 tbsp olive oil and 1 tbsp butter in a large oven-safe skillet over medium-low heat. Add onions; cook 20–25 minutes, stirring occasionally, until deep golden brown. Stir in garlic during the last 2 minutes. Remove half the onions and set aside for topping.
  2. Prep chicken: Season chicken with salt and pepper.
  3. Sear chicken: In same skillet, add remaining oil. Sear chicken 3–4 minutes per side until golden. Remove and set aside.
  4. Deglaze: Add broth (and wine if using) to skillet, scraping up browned bits. Stir in Dijon and thyme.
  5. Assemble: Return chicken to skillet. Top each breast with reserved caramelized onions. Dot with remaining butter.
  6. Bake: Transfer skillet to oven preheated to 375°F (190°C). Bake 15–20 minutes, until chicken reaches 165°F internally.
  7. Rest 5 minutes, then garnish with fresh herbs. Spoon pan juices over top before serving.
💡 Pro Tips:
– Don’t rush the onions—low and slow = sweet, complex flavor.
– For extra richness, stir 2 tbsp cream into the pan sauce before baking.
– Use chicken thighs for even juicier results!

Prep Time & Nutrition (per serving):

Prep Time: 15 min | Cook Time: 30 min | Total Time: 45 min
Servings: 4 | Calories: 380 | Net Carbs: 12g | Fats: 22g | Protein: 36g