What makes French Onion Chicken Orzo Casserole different from other casseroles?

This recipe uses caramelized onions and beef broth inspired by French onion soup, giving it a deeper flavor than standard chicken casseroles.

Can I make French Onion Chicken Orzo Casserole ahead of time?

Yes, it can be assembled earlier and baked just before serving.

When baked properly with measured liquid, orzo stays creamy without becoming soft.

Swiss cheese works well if Gruyère is unavailable.

Creamy French onion chicken orzo casserole with tender chicken, caramelized onions, and melted cheese baked in one pan.

Scale

1½ lbs boneless skinless chicken breasts

3 large yellow onions, sliced

2 tbsp olive oil

2 tbsp butter

3 cloves garlic, minced

1½ cups dry orzo

2 cups beef broth

1½ cups chicken broth

¾ cup heavy cream

1½ cups shredded Gruyère

1 cup shredded mozzarella

1 tsp fresh thyme

1 tsp salt

½ tsp black pepper

Cook Mode Prevent your screen from going dark

1. Preheat oven to 375°F.

2. Cook onions in olive oil and butter until golden.

3. Add garlic and thyme.

4. Stir in orzo and broths.

5. Nestle chicken into mixture.

6. Add cream and simmer.

7. Cover and bake 25 minutes.

8. Add cheese and bake uncovered until melted.

Slice onions evenly for best browning.

Let rest before serving to set.