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Green Bean Casserole Recipe

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3.8 from 8 reviews

This classic Green Bean Casserole features tender green beans in a creamy mushroom sauce, topped with crispy fried onions for the perfect crunch. A comforting side dish that's easy to prepare, ideal for holidays or weeknight dinners.

Ingredients

Main Ingredients

  • 4 cups frozen cut green beans (see notes for canned or fresh beans)
  • 1 (10.5 ounce) can condensed cream of mushroom soup
  • ½ cup milk
  • 1 teaspoon soy sauce
  • ½ teaspoon black pepper
  • ¼ teaspoon seasoned salt (more to taste)
  • 1½ cups crispy fried onions (divided)

Instructions

  1. Preheat Oven: Preheat the oven to 350°F to get it ready for baking the casserole.
  2. Cook Green Beans: Bring a medium pot of salted water to a boil. Add the frozen green beans and boil for 2 to 3 minutes until tender crisp. Drain well.
  3. Mix Ingredients: In a large bowl, combine the cooked green beans with the condensed cream of mushroom soup, milk, soy sauce, black pepper, seasoned salt, and 1 cup of crispy fried onions. Stir until well combined.
  4. Assemble Casserole: Transfer the mixture into a 2-quart baking dish, spreading it evenly.
  5. Bake: Bake uncovered in the preheated oven for 30 to 35 minutes, or until the casserole is bubbly around the edges.
  6. Add Topping and Finish Baking: Remove the casserole from the oven and stir gently. Sprinkle the remaining ½ cup of crispy fried onions evenly over the top. Return it to the oven for an additional 10 minutes, or until the onions are golden brown and crispy.

Notes

  • You can substitute frozen green beans with canned or fresh beans—just adjust the cooking time accordingly.
  • Adding shredded cheddar cheese to the mixture before baking can add extra flavor.
  • If you prefer a thicker casserole, reduce the milk slightly.
  • For a gluten-free version, use gluten-free crispy fried onions and a gluten-free cream of mushroom soup.