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Close-up of a delicious, ready-to-serve Easy Green Bean Casserole topped with golden crispy fried onions in a baking dish.

Easy Green Bean Casserole: Grandma's Classic Recipe

A classic and easy-to-make green bean casserole featuring cream of mushroom soup, green beans, milk, and crispy fried onions, perfect for any family meal or holiday.
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Prep Time 10 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 8 servings
Calories: 300
Ingredients Equipment Method Notes

Ingredients
  

Main Ingredients
  • 3 (10.5 oz) cans Campbell's Cream of Mushroom Soup
  • 3 (15.5 oz) cans cut green beans drained
  • 1/2 cup milk
  • 2 (6 oz) containers French's Crispy Fried Onions divided

Equipment

  • Oven
  • 9x13-inch Baking Pan or Casserole Dish
  • Large Bowl

Method
 

Preparation
  1. Preheat oven to 350°F and spray a 9x13-inch baking pan or casserole dish with non-stick cooking spray.
Mixing and Baking
  1. In a large bowl, combine cream of mushroom soup, drained green beans, milk, and one container of crispy fried onions; stir well.
  2. Pour the green bean mixture into the prepared baking dish and top with the remaining crispy fried onions.
  3. Bake at 350°F for about 30 to 35 minutes, until the sides are lightly browned and the casserole is bubbly.
Serving
  1. Let the casserole sit for about 10 minutes before serving. Enjoy!

Notes

This classic casserole is a perfect side dish for holidays and gatherings, offering a comforting blend of flavors and textures.