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Creamy French onion chicken orzo casserole with caramelized onions and gruyere cheese.

Cozy Creamy French Onion Chicken Orzo Casserole

A creamy and cheesy dish that combines the comforting flavors of French onion soup with tender chicken and orzo pasta, all in one pan.
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Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Servings: 4 servings
Course: Dinner, Main Course
Cuisine: American, Comfort Food
Calories: 550
Ingredients Method Notes

Ingredients
  

Main Ingredients
  • 1 lb Boneless chicken thighs (or breasts) For juiciness; breasts can dry out.
  • 1 cup Orzo Acts like rice in this dish.
  • 2 medium Yellow onions Preferred for their sweet flavor.
  • 2 tbsp Butter or olive oil Butter for richness; olive oil for a lighter option.
  • 1 clove Garlic Optional, but adds great flavor.
  • 2 cups Chicken broth Low sodium preferred.
  • 1 cup Heavy cream (or half and half) For creaminess.
  • 1 cup Cheese (Gruyere or Swiss) Gruyere is classic; mozzarella works in a pinch.
  • 1 tsp Salt To taste.
  • 1 tsp Pepper To taste.
  • 1 tsp Thyme Enhances the French onion flavor.
  • 1 tbsp Worcestershire sauce Optional, for deep savory flavor.

Method
 

Preparation
  1. Slice the onions thinly to ensure they cook down quickly.
  2. Melt the butter in a large skillet or Dutch oven over medium heat.
  3. Add the sliced onions and cook slowly, stirring occasionally, until golden and jammy (20-30 minutes).
Cooking
  1. Season the chicken with salt and pepper, add to the pan with onions, and brown for a few minutes.
  2. Add minced garlic and thyme, then pour in the broth and stir in the orzo.
  3. Cook until the orzo is almost tender, adding more broth if needed.
  4. Once the orzo is tender, reduce heat and stir in the cream.
  5. Sprinkle cheese on top and either broil for a minute or cover and let the heat melt the cheese.

Notes

For best flavor, take your time cooking the onions. This dish can be made ahead and reheated, adding a splash of broth to restore creaminess. If using rotisserie chicken, add it towards the end of cooking to avoid drying out.