French Onion Chicken Casserole Recipe
This French Onion Chicken Casserole remixes classic soup into full meal! Sweet onions, juicy chicken, Swiss cheese, and flaky biscuits. All those yummy flavors in an actual dinner!
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Servings: 6
Ingredients
- 4 cups chicken cooked, diced or shredded
- ½ cup mayonnaise
- ⅓ cup sour cream
- ¼ cup heavy cream
- 2 tablespoons beef bouillon granules
- 1 teaspoon salt
- 1 teaspoon black pepper
- 1 teaspoon rubbed sage
- ½ teaspoon garlic powder
- 1½ cups green beans french cut
- 1½ cups caramelized onions
- 8 slices Swiss cheese
- 16 ounces Grands buttermilk biscuits 1 can of 8 biscuits
- 2 tablespoons butter melted
Instructions
- Preheat oven to 350F. Prepare a 9×13 casserole dish with cooking spray.
- In a large mixing bowl, combine the cooked chicken, mayo, sour cream, heavy cream, bouillon, salt, pepper, and sage.
- Toss to combine thoroughly.
- Spread the mixture in an even layer in the prepared baking dish.
- Bake at 350F for 30 minutes.
- Carefully remove from the oven, Top with sliced cheese, making sure to cover the whole top of the casserole.
- Cut the biscuits into quarters. Spread the biscuit quarters over the cheese, covering as much as possible.
- Brush with melted butter.
- Return to the oven and bake for 20 minutes or until the biscuits are golden brown and the internal temperature of the dish as reached 165F.
- Remove and serve warm!
Notes
- Prevent sticking: Use cooking spray for easy cleanup.
- Chicken: Chicken breasts or shredded thighs both work but thighs stay juicier. Especially if freezing.
- Super easy version: Use cream of chicken soup instead of making sauce from scratch
- Make ahead: Prep the whole casserole in advance which is perfect for busy nights.
- Biscuit substitutes: Try French baguette slices, brioche buns or dinner rolls.
- Different topping: Skip the biscuits and use cooked egg noodles or French fried onions instead.
- Freezer-friendly: Make and freeze up to 2 months for a quick dinner ready to bake.
Nutrition
Serving: 1 | Calories: 699kcal | Carbohydrates: 44g | Protein: 34g | Fat: 43g | Saturated Fat: 15g | Polyunsaturated Fat: 14g | Monounsaturated Fat: 13g | Trans Fat: 0.2g | Cholesterol: 123mg | Sodium: 1732mg | Potassium: 744mg | Fiber: 3g | Sugar: 7g | Vitamin A: 768IU | Vitamin C: 9mg | Calcium: 293mg | Iron: 3mg
