French Onion Chicken Crock Pot

A brilliant fusion of two beloved classics that transforms ordinary chicken into a restaurant-worthy meal while you're busy elsewhere. This mouthwatering dish combines the rich, caramelized flavors of French onion soup with tender, juicy chicken for a set-it-and-forget-it comfort classic.

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Course: Main Course

Cuisine: French

Keyword: Slow Cooker, French Onion, Chicken, Crock Pot, Comfort Food

Prep Time: 15

Cook Time: 6

Total Time: 7 15

Servings: servings

Calories: 425kcal

Equipment

Slow Cooker/Crock Pot
Large Skillet

Ingredients

Main Ingredients

4 boneless, skinless chicken breasts about 2 pounds
3 large sweet onions thinly sliced (Vidalia recommended)
2 tbsp olive oil
2 tbsp butter
3 cloves garlic minced
2 cups low-sodium beef broth chicken broth works as a lighter alternative
1 tbsp Worcestershire sauce
2 tsp fresh thyme leaves or 1 teaspoon dried
1 bay leaf
1 tsp salt
½ tsp freshly ground black pepper

Cheese Topping

1½ cups Gruyère cheese shredded (Swiss cheese is a budget-friendly substitute)
½ cup Parmesan cheese shredded

Optional Garnish

fresh thyme sprigs or chopped parsley for garnish

Instructions

Heat olive oil and butter in a large skillet over medium heat. Add the thinly sliced onions and cook for 15-20 minutes, stirring occasionally, until they reach a golden-brown caramelization.
Transfer the caramelized onions to the bottom of your slow cooker. Add the minced garlic and stir to distribute evenly.
Place the chicken breasts on top of the onion layer. Season with salt and pepper, then sprinkle with fresh thyme leaves. Add the bay leaf.
Combine beef broth and Worcestershire sauce in a separate bowl, then pour this mixture over the chicken and onions.
Cover and cook on low for 6-7 hours or on high for 3-4 hours. The chicken is done when it reaches an internal temperature of 165°F (74°C) and shreds easily with a fork.
About 15 minutes before serving, sprinkle the shredded Gruyère and Parmesan cheeses over the chicken. Replace the lid and continue cooking until the cheese melts.
Optional: For a more browned top, transfer to an oven-safe dish and broil for 2-3 minutes.
Garnish with fresh thyme sprigs or chopped parsley if desired, and serve.

Notes

Pre-caramelizing onions intensifies the sweet, complex flavors that make this dish irresistible.

For a lighter version: use chicken breast instead of thighs, reduce cheese quantity, replace butter with olive oil, or use low-sodium broth.

Store leftovers in airtight containers for up to 4 days in the refrigerator or freeze for up to 3 months.

Nutrition

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