French Onion Chicken Orzo Casserole
A comforting casserole combining caramelized onions, tender chicken, and creamy orzo baked under a cheesy crust reminiscent of classic French onion soup.
Ingredients
Casserole
- 2 tablespoons unsalted butter
- 2 medium yellow onions thinly sliced
- 2 teaspoons minced garlic
- 2 teaspoons Italian seasoning
- 0.25 teaspoon kosher salt
- 0.25 teaspoon freshly ground black pepper
- 1 packet dry French onion soup mix 1 ounce
- 2 cups low sodium chicken broth
- 1 cup water
- 1.5 cups uncooked orzo pasta
- 2 boneless skinless chicken breasts cut into bite sized pieces
- 0.5 cup shredded Gruyère cheese
- 0.5 cup shredded mozzarella cheese
- 2 tablespoons chopped fresh parsley
Instructions
Preparation
- Preheat oven to 375°F and grease a 9×13-inch baking dish.
Stovetop
- In a large skillet over medium heat, melt butter. Add onions, salt, and pepper. Cook until onions are golden and soft, about 8–10 minutes.
- Stir in garlic and Italian seasoning; cook for 1 minute until fragrant.
- Add dry soup mix, chicken broth, water, and orzo. Bring to a simmer and cook for 2–3 minutes.
- Stir in chicken pieces.
Baking
- Transfer mixture to prepared dish. Cover with foil and bake for 30 minutes.
- Remove foil; top with Gruyère and mozzarella. Bake, uncovered, for 10 minutes until cheese is melted and bubbly.
Finishing
- Let rest for 5 minutes. Garnish with parsley and serve.
Notes
Make sure onions are uniformly sliced to ensure even caramelization.
Leftovers can be stored in the refrigerator for up to 4 days in an airtight container.