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Green Bean Casserole with French's onions in a white round casserole dish on top of a textured cloth with salt and pepper shakers and a metal serving spoon.

5-Ingredient Green Bean Casserole with Crispy Onions

This green bean casserole with French’s onions is the ultimate glow-up of the retro classic we all grew up eating. It’s creamy, comforting, and made with fresher-tasting frozen green beans: proof that simple holiday sides can still be stunning.
5 from 6 votes
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Course: Side Dish
Cuisine: American, Southern
Prep Time: 10 minutes
Cook Time: 30 minutes
Servings: 8
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Equipment

  • liquid measuring cup
  • dry measuring cup
  • large bowl
  • whisk
  • 2-quart baking dish

Ingredients

  • 1 (10.5-ounce) can cream of mushroom soup
  • 1 cup chicken broth
  • ½ cup sour cream
  • 1 (16-ounce) package frozen whole green beans, thawed and patted dry
  • 2 cups French-fried onions, divided

Instructions

  • Preheat the oven to 350°F. Lightly grease a 2-quart baking dish with nonstick cooking spray.
  • Whisk together the cream of mushroom soup, chicken broth, and sour cream in a large bowl.
  • Add the green beans and 1 cup of the French fried onions, stirring gently to combine.
  • Spoon the green bean mixture into the prepared casserole dish.
  • Sprinkle evenly with the remaining onions. Bake, uncovered, for 30 to 35 minutes or until the casserole is bubbly.

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