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French Onion Chicken Orzo Casserole

French Onion Chicken Orzo Casserole is a comforting and flavorful dish that combines tender chicken, creamy orzo pasta, and sweet caramelized onions, all topped with melty cheese. This one-pot wonder brings the rich flavors of French onion soup into a hearty casserole that’s perfect for weeknight dinners or special occasions. With its delightful aroma and satisfying taste, this dish will quickly become a family favorite.

Ingredients

Scale
  • 34 boneless, skinless chicken breasts (about 1.5 lbs)
  • 2 cups yellow onions, thinly sliced (about 2 medium onions)
  • 3 cloves fresh garlic, minced
  • 1 cup orzo pasta
  • 2 cups low-sodium beef broth
  • 1/4 cup balsamic vinegar
  • 1 tsp dried thyme
  • Salt and pepper to taste
  • 1 cup shredded Swiss cheese
  • 1 cup shredded mozzarella cheese

Instructions

  1. Preheat the oven to 375°F (190°C) and lightly spray a baking dish with nonstick cooking spray.
  2. In a large skillet over medium heat, melt butter and sauté sliced onions until golden brown, about 15 minutes.
  3. Add diced chicken to the skillet with onions. Season with salt and pepper; cook until chicken is no longer pink, about 10 minutes.
  4. Meanwhile, cook orzo according to package instructions until al dente; drain and set aside.
  5. In a bowl, whisk together beef broth, balsamic vinegar, thyme, and cooked orzo. Pour over the chicken-onion mixture in the skillet and stir gently.
  6. Top with Swiss and mozzarella cheese; bake for 25-30 minutes until bubbly and golden brown.

Nutrition

Keywords: Feel free to customize with other vegetables like mushrooms or spinach for added nutrition. For a creamier texture, you can mix in a splash of heavy cream before baking.