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Easy green bean casserole with creamy green beans and a golden crispy fried onion topping.

Easy Green Bean Casserole with Crispy Fried Onions

This easy green bean casserole combines tender canned green beans, creamy mushroom soup, and a golden crispy fried onion topping. It takes 10 minutes to assemble and is a dependable Thanksgiving side dish.
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Prep Time 10 minutes
Cook Time 35 minutes
Total Time 45 minutes
Servings: 6 servings
Course: Side Dish
Cuisine: American
Ingredients Method Notes

Ingredients
  

  • 29 ounces cut green beans drained
  • 10.5 ounces condensed cream of mushroom soup
  • 3/4 cup milk
  • 1/8 teaspoon ground black pepper
  • 1 1/3 cups crispy fried onions divided

Method
 

  1. Preheat the oven to 350°F (175°C). Lightly grease a 1 1/2-quart baking dish.
  2. Whisk the condensed soup, milk, and black pepper in a large bowl until smooth.
  3. Fold in the drained green beans and 2/3 cup of the crispy fried onions. Spread the mixture evenly in the baking dish.
  4. Bake uncovered for 30 minutes, or until hot and bubbling around the edges.
  5. Stir the casserole gently. Sprinkle the remaining 2/3 cup fried onions over the top, then bake for 5 minutes more, until the onions are golden and crisp.
  6. Let stand for 5 minutes before serving.

Notes

Drain the green beans very well so the casserole stays creamy rather than watery. For make-ahead preparation, assemble the filling without the final onion topping, cover, and refrigerate for up to 24 hours. Add the remaining onions during the last 5 minutes of baking.