French Onion Chicken Casserole

French Onion Chicken Casserole

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French onion chicken casserole is a classic dish known for its hearty flavors and cozy elegance. The famous French onion soup inspires this casserole. It is a dream dish for onion lovers.

The onion chicken casserole combines tender chicken, caramelized onions, and cream cheese, creating a mouthwatering symphony of taste and texture. Each bite fills your mouth with the rich flavors of slow-cooked onions and juicy chicken. It is perfect for family, dinner, or friend gatherings.

French Onion Chicken Casserole ready for serving

Ingredients To Make French Onion Chicken Casserole

  • Chicken
  • Mayonnaise
  • Sour cream
  • Heavy cream
  • Beef bouillon granules
  • Sea salt
  • Black pepper
  • Rubbed sage 
  • Caramelized onions
  • Green beans
  • Swiss cheese
  • Biscuits
  • Cooking spray

Ingredient Notes and Variations

Mayonnaise: Only includes egg and oil, but it is one of the best binding casserole ingredients.

Sour cream: Mix rich, creamy flavors to the casserole with a slight tangy note. You can use Greek yogurt or plain yogurt instead.

Heavy cream: Adds creaminess to the dish and thins everything in the casserole. You can use half and half for a lighter version.

Beef bouillon granules: Dehydrated beef stock adds flavor to the dish. You can also use homemade beef stock as an alternative.

Swiss cheese: This melty and delicious cheese is also available. For variation, you can use cheddar, mozzarella, or another cheese.

Grands biscuits: These biscuits add innovative flavors and uniqueness to the casserole. They are readily available in stores and can be cut to be used efficiently.

How To Make French Onion Chicken Casserole

1: Prepare the casserole

Preheat the oven to 350°F (177°C).

Mix mayo, heavy cream, salt, pepper, sour cream, bouillon, and sage with the chicken.

Add the green beans and onions to the chicken mixture.

Spread this on a baking tray.

2: Bake the casserole

  • Bake for the French onion chicken casserole casserole 30 minutes.
  • After 30 minutes, take the tray out of the oven.
  • Spread the cheese and biscuit over the casserole.
  • Bake it again for 10 minutes or until it turns brown from the top. Serve hot.
French Onion Chicken Casserole

French Onion Chicken Casserole

Adalynn Ward
French onion chicken casserole is a classic dish known for its hearty flavors and cozy elegance. The famous French onion soup inspires this casserole. It is a dream dish for onion lovers.
5 from 1 vote
Prep Time 5 minutes
Cook Time 45 minutes
Total Time 50 minutes
Course Dinner, Main Course, Side Dish
Servings 6 servings

Ingredients

  • 4 cups cooked chicken shredded or cubed
  • ½ cup mayonnaise
  • ¼ cup sour cream
  • ¼ cup heavy cream
  • 2 tablespoons beef bouillon granules*
  • 1 teaspoon of acceptable sea salt
  • 1 teaspoon ground black pepper
  • 1 teaspoon rubbed sage sub rosemary, or thyme
  • 1-2 cups caramelized onions
  • 1 cup French-cut green beans
  • 6 slices Swiss Cheese
  • 1 can refrigerated biscuits cut into quarters
  • Cooking Spray

How to Make?

  • Preheat the oven and keep the temperature to 350°F (177°C).
  • Marinate the chicken with mayo, heavy cream, spices, bouillon, and sour cream.
  • Mix the onions and green beans in the greased baking tray.
  • Bake for 30 minutes.
  • After 30 minutes, remove the tray from the oven and spread the cheese and biscuits over the baked casserole.

Nutrition

Serving: 1ServingCalories: 546kcalCarbohydrates: 30gProtein: 38.2gFat: 29.8gSaturated Fat: 10.4gCholesterol: 114mgSodium: 1486mgPotassium: 307mgFiber: 1.7gSugar: 4.5gCalcium: 274mgIron: 3mg
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Hello!! My name is Adalynn I love to eat, travel, and eat some more! I am married to the man of my dreams and have a beautiful little girl whose smiles can brighten anyone’s day!