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Green Bean Casserole

This easy Green Bean Casserole is a classic American side dish made with tender green beans, creamy mushroom soup, milk, and crispy fried onions. With just four simple ingredients and 30 minutes from start to finish, it is perfect for Thanksgiving, Christmas, holiday dinners, or an easy family side dish.
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Prep Time 5 minutes
Cook Time 25 minutes
Total Time 30 minutes
Servings: 6 servings
Course: Side Dish
Cuisine: American
Calories: 247
Ingredients Equipment Method Notes

Ingredients
  

Green Bean Casserole
  • 2 14.5 oz cans green beans drained
  • 1 10.5 oz can cream of mushroom soup
  • 1/2 cup milk
  • 1 6 oz can French fried onions 3/4 cup mixed into the casserole, remaining onions for topping

Equipment

  • 8x8-inch baking dish
  • Large mixing bowl
  • Small saucepan
  • Whisk
  • Mixing spoon or spatula

Method
 

Instructions
  1. Preheat the oven to 350°F (175°C). Lightly spray an 8x8-inch oven-safe baking dish with non-stick cooking spray.
  2. Drain the green beans thoroughly and transfer them to a large mixing bowl.
  3. Add 3/4 cup of the French fried onions to the green beans and gently toss to combine.
  4. In a small saucepan, combine the cream of mushroom soup and milk. Heat over medium heat for about 2 minutes, whisking until smooth and well combined.
  5. Pour the warm mushroom soup mixture over the green beans and fried onions. Gently toss until everything is evenly coated.
  6. Transfer the green bean mixture to the prepared baking dish and spread it into an even layer.
  7. Bake uncovered for 20 minutes.
  8. Remove the casserole from the oven and sprinkle the remaining French fried onions evenly over the top. Use as many as desired; you may not need the entire amount.
  9. Return the casserole to the oven and bake for an additional 5 minutes, or until the onions are crisp and lightly golden.
  10. Remove from the oven and serve the green bean casserole while warm.

Notes

Drain the canned green beans well to prevent the casserole from becoming watery.
Add the final layer of fried onions only during the last 5 minutes of baking so they stay crisp and golden.
You may not need the entire 6-ounce can of fried onions for the topping. Add as many as you prefer.
This recipe makes approximately 6 servings.