French Onion Chicken Casserole
Layers of tender chicken, caramelized onions, and melty cheese bake into a bubbly, golden casserole that screams comfort food.
Total: 60 minPrep: 20 minCook: 40 min6 servingsDifficulty: Easy⭐ 4.7 (123+ ratings)$
Ingredients
Servings:
- 2 tablespoons olive oil
- 3 cups thinly sliced onions
- 2 cloves garlic, minced
- 2 cups cooked and shredded chicken
- 1 can (10.5 oz) condensed cream of mushroom soup
- 1/2 cup milk
- 1 cup shredded Swiss cheese
- 1/2 cup shredded Parmesan cheese
- 1/2 teaspoon thyme
- Salt and pepper to taste
- 2 cups crushed French fried onions
- 1/4 cup butter
Steps
- 1 Preheat oven to 375°F.
- 2 Heat olive oil in a large skillet over medium heat; add onions and cook until caramelized, about 15 minutes.
- 3 Add garlic to the skillet and cook for another minute.
- 4 In a large bowl, mix cooked chicken, caramelized onions, soup, milk, Swiss cheese, Parmesan, thyme, salt, and pepper.
- 5 Spread the mixture into a greased 9x13 inch baking dish.
- 6 Dot with butter and sprinkle crushed French fried onions on top.
- 7 Bake for 30-40 minutes until bubbly and golden.
- 8 Let stand for 5 minutes before serving.
Equipment
- 9x13 inch baking dish
- skillet
- mixing bowl
Variations
- Add diced ham for extra protein or use turkey instead of chicken for a lighter option.
Substitutions
- If Swiss cheese is unavailable, use Gruyère or another melty cheese.
Pairings
- Pairs well with a Pinot Noir or a crisp Sauvignon Blanc.
Nutrition
Calories:
420 kcal
Fat:
22g fat
Carbs:
20g carbohydrates
Protein:
25g protein
Fiber:
2g fiber
Sugar:
6g sugar
Sodium:
800mg sodium
Tips
- For best flavor, caramelize the onions slowly over low heat.
- This casserole can be assembled ahead and refrigerated before baking.
Storage
Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in a 350°F oven until heated through.
Freezing: Freezes well for up to 2 months. Thaw overnight in the refrigerator and bake covered at 350°F for 30 minutes, then uncover and bake for an additional 15 minutes.
Serving Suggestions
- Serve with a side of crusty bread or a fresh green salad.
FAQ
Can I use rotisserie chicken?
Absolutely! It saves time and adds great flavor.