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French Onion Chicken Casserole Recipe


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4.3 from 67 reviews

  • Author: Sophia
  • Total Time: 48 minutes
  • Yield: 6 servings

Description

This French Onion Chicken Casserole is a comforting and hearty dish combining shredded chicken, crisp green beans, creamy sour cream, and cheddar cheese, all baked to perfection with a crunchy topping of French fried onions and slivered almonds. Easy to prepare and perfect for weeknight dinners or potlucks, this casserole delivers a rich, savory flavor inspired by classic French onion soup with a satisfying twist.


Ingredients

Chicken Mixture

  • 3 cups chicken, cooked and shredded (or diced)
  • 1 cup green beans (or veggie of choice)
  • 1 cup cheddar cheese, shredded
  • ½ cup sour cream
  • ¼ cup mayonnaise
  • 1 can (10.5 oz) cream of chicken soup
  • ¼ cup almonds, slivered

Topping

  • 6 oz. French fried onions


Instructions

  1. Preheat Oven and Prepare Pan: Preheat your oven to 400°F (204°C) and spray a 9 x 13 inch baking pan with cooking spray to prevent sticking.
  2. Mix Ingredients: In a large bowl, combine the cooked shredded chicken, green beans, shredded cheddar cheese, sour cream, mayonnaise, cream of chicken soup, and slivered almonds. Stir well to ensure all ingredients are evenly incorporated.
  3. Fill Baking Pan: Spread the chicken mixture evenly into the prepared baking pan, smoothing the surface with the back of a spoon or spatula.
  4. Bake Initial Layer: Place the pan in the preheated oven and bake for 30 minutes to allow the casserole to heat through and the flavors to meld.
  5. Add Topping: Remove the casserole from the oven and evenly sprinkle the French fried onions on top, distributing them so they cover the surface.
  6. Bake with Topping: Return the pan to the oven and bake for an additional 5 to 8 minutes, or until the French fried onions turn a beautiful golden brown and become crisp.
  7. Serve: Take the casserole out of the oven and let it cool slightly before serving. Enjoy warm as a satisfying main dish.

Notes

  • You can substitute green beans with other vegetables like broccoli, asparagus, or peas depending on your preference.
  • For a lower fat version, use reduced-fat sour cream and mayonnaise.
  • To make it gluten free, ensure the cream of chicken soup and French fried onions are gluten free or substitute accordingly.
  • The almonds add a nice crunch but can be omitted if you have nut allergies.
  • Leftovers can be refrigerated for up to 3 days and reheated in the oven for best texture retention.
  • Prep Time: 10 minutes
  • Cook Time: 38 minutes
  • Category: Casserole
  • Method: Baking
  • Cuisine: American