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French Onion Chicken Orzo Casserole

French Onion Chicken Orzo Casserole

Caramelized onions, shredded chicken, and orzo simmered in a creamy broth and topped with melted mozzarella.
Prep Time 10 minutes
Cook Time 55 minutes
Total Time 1 hour 5 minutes
Course Dinner, Main Course
Cuisine Comfort Food, French
Servings 6 servings
Calories 560 kcal

Equipment

  • Large oven-safe skillet
  • Lid
  • Wooden spoon

Ingredients
  

Main Ingredients

  • 2 tbsp unsalted butter
  • 1 tbsp olive oil
  • 2 large yellow onions thinly sliced
  • 1 tsp sugar
  • ½ tsp salt
  • 3 cloves garlic minced
  • 1 ½ cup orzo
  • 2 cup cooked shredded chicken rotisserie works well
  • ½ tsp dried thyme
  • ¼ tsp black pepper
  • 2 cup low-sodium chicken broth
  • 1 cup heavy cream half and half for a lighter version
  • 1 ½ cup shredded mozzarella cheese divided
  • ½ cup grated Parmesan cheese
  • ½ tsp Worcestershire sauce optional

Instructions
 

Cooking

  • Caramelize the onions. Melt the butter and oil in a large oven-safe skillet over medium heat. Cook the onions with the sugar and salt 20 to 25 minutes until deep golden.
  • Add garlic. Stir in the garlic for the last 1 to 2 minutes.
  • Toast the orzo. Stir in the orzo and cook 2 minutes.
  • Add chicken. Stir in the chicken, thyme, pepper, and Worcestershire sauce.
  • Simmer. Add the broth and cream, bring to a simmer, cover, and cook on low 8 to 10 minutes until the orzo is tender.
  • Add cheese. Heat the oven to 375 degrees F. Stir in 1 cup mozzarella and the Parmesan, then top with the rest of the mozzarella.
  • Bake. Bake uncovered 10 to 15 minutes until bubbly and golden, then rest 5 to 10 minutes.

Notes

Substitutions: Use Gruyere or Swiss for a closer french onion flavor, and half and half in place of cream.
Tips: Cook the onions slowly over medium heat and add a spoonful of water if they stick. Move the mixture to a baking dish if your skillet is not oven safe.
Storage: Refrigerate within 2 hours for 3 to 4 days. Reheat with a splash of broth to 165 degrees F.
Keyword Chicken Casserole, Comfort Food, Family Dinner, french onion chicken orzo, French Onion Chicken Orzo Casserole, One-Skillet Meal