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Goat Cheese & Spinach Stuffed Chicken Breast with Caramelized Onions + Mushrooms

Goat cheese & spinach stuffed chicken breast make an amazing low carb and keto-friendly dinner! These baked chicken breasts are easily cut 'hasselback style' then stuffed with creamy cheese + nutritious spinach and served with caramelized onions and mushrooms for the ultimate healthy dinner!
Course Dinner, Gluten Free, Grain Free, Low Carb
Keyword spinach stuffed chicken breast
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings 4 servings
Calories 239 kcal
Author Monique of AmbitiousKitchen.com


  • 4 chicken breasts (about 4-6 ounces each)
  • 2 tablespoons olive oil, divided
  • 4 cups organic spinach
  • ½ teaspoon garlic powder
  • 2 ounces goat cheese
  • 1 white onion, sliced
  • 8 ounces sliced baby bella mushrooms
  • 1 teaspoon fresh thyme
  • Optional: 1 tablespoon balsamic vinegar
  • Freshly ground salt and pepper


  1. Preheat oven to 375 degrees F. Use a sharp knife to hasselback each chicken breast, and cut 6 slits into the top of each breast, making sure you don’t cut all the way through to the bottom of the chicken breast. Drizzle each chicken breast with a little olive oil then season with salt and pepper. Set aside.
  2. Place a large ovenproof skillet over medium high heat and add in ½ tablespoon of olive oil. Add in spinach and season with garlic powder. Cook, stirring occasionally until spinach is fully wilted. 
  3. Transfer cooked spinach to a medium bowl and add in goat cheese. Stir until well combined. Stuff each slit with the spinach/goat cheese mixture.
  4. Next add a 1 tablespoon of olive oil to the same skillet. Add in sliced onions, mushrooms, fresh thyme, optional balsamic vinegar and season with a little salt and pepper. Saute until onions begin to caramelize and mushrooms turn golden brown. Make room for the chicken by moving the mushrooms and onions to the sides of the skillet. 
  5. Add chicken to the skillet, making sure there is a little bit of room between each chicken breast; you may need to rearrange the mushrooms and onions. Transfer to oven and bake for 20-30 minutes until the chicken is fully cooked and meat thermometer reads 165 degrees F. Serves 4.

Recipe Notes

Feel free to use cream cheese instead of goat cheese. If you use cream cheese you might want to add in 1/4 cup mozzarella mixed in there.

Nutrition Facts
Goat Cheese & Spinach Stuffed Chicken Breast with Caramelized Onions + Mushrooms
Amount Per Serving (1 chicken breast)
Calories 239 Calories from Fat 114
% Daily Value*
Fat 12.7g20%
Saturated Fat 3.6g23%
Carbohydrates 5.8g2%
Fiber 1.8g8%
Sugar 1.9g2%
Protein 28.7g57%
* Percent Daily Values are based on a 2000 calorie diet.