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French Onion Chicken Orzo Casserole

A comforting and indulgent casserole that brings together tender chicken, caramelized onions, and melty Swiss cheese, perfect for family dinners.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course Dinner, Main Course
Cuisine Comfort Food, French
Servings 6 servings
Calories 450 kcal

Ingredients
  

Pasta and Chicken Base

  • 2 cups orzo pasta A hearty base that soaks up all the delicious flavors.
  • 1 lb chicken breast, cubed Tender protein that pairs perfectly with the sweet and savory onion.

Vegetables and Aromatics

  • 2 large onions, thinly sliced The star of the show, caramelizing into sweet, delightful goodness.
  • 3 cloves garlic, minced For that aromatic foundation that lifts the dish.

Liquid and Creaminess

  • 2 cups chicken broth A flavorful liquid that brings everything together.
  • 1 cup sour cream Adds creaminess; swap Greek yogurt for a lighter option if preferred.

Cheesy Topping

  • 1.5 cups shredded Swiss cheese Melts beautifully to create that irresistible cheesy top.

Cooking Essentials

  • 2 tablespoons olive oil To sauté the onions and chicken until golden.
  • to taste salt and pepper Essential seasoning.
  • to taste fresh thyme and parsley (optional) For a pop of herbal freshness.

Instructions
 

Preparation

  • Gather all your ingredients.

Sauté Onions

  • In a large skillet, heat the olive oil over medium heat. Add the sliced onions and a pinch of salt. Cook for about 15-20 minutes, stirring frequently, until they are golden and caramelized.

Cook Chicken

  • Toss in the cubed chicken with the caramelized onions. Cook until the chicken is browned and fully cooked, about 5-7 minutes. Add minced garlic during the last minute.

Combine Ingredients

  • Stir in the orzo, chicken broth, and sour cream. Mix well to combine.

Bake

  • Transfer the mixture into a greased baking dish and top with shredded Swiss cheese. Bake in a preheated oven at 350°F for 20 minutes, or until the cheese is bubbly and slightly golden.

Garnish and Serve

  • Once out of the oven, sprinkle fresh herbs over the top and serve hot.

Notes

Leftovers can be stored in an airtight container for up to three days. Reheat in the oven at 350°F for about 20 minutes.
Keyword Casserole, Chicken, Comfort Food, family dinner, Orzo