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classic green bean casserole in a baking dish on a festive table
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Green Bean Casserole

This classic green bean casserole is creamy, cozy, and topped with golden crispy onions. It’s the ultimate make-ahead holiday side dish that never fails to impress — simple ingredients, quick prep, and a comforting flavor that brings everyone back for seconds.
Course Side Dish
Cuisine American
Prep Time 10 minutes
Cook Time 37 minutes
Servings 6

Ingredients

Green Beans

  • Fresh: about 1 pound trimmed and blanched
  • Frozen: about 16 ounces 1 standard bag, thawed and drained
  • Canned: 2 cans 14.5 ounces each, drained

Other Ingredients

  • 1 can 10.5 oz condensed cream of mushroom soup
  • ¾ cup milk
  • 1 teaspoon soy sauce
  • ½ teaspoon seasoned salt
  • ¼ teaspoon black pepper
  • 1 ⅓ cups crispy fried onions divided
  • 1 cup shredded cheddar cheese optional for a cheesy version

Instructions

Preheat the oven

  • Preheat oven to 350°F (177°C). Lightly grease a 2-quart baking dish.

Prepare the green beans:

  • Fresh: Trim ends and blanch in boiling water for 6–7 minutes, then drain.
  • Frozen: Thaw completely and drain excess moisture.
  • Canned: Drain and pat dry.

Combine Ingredients

  • In a large mixing bowl, combine the cream of mushroom soup, milk, soy sauce, black pepper, and seasoned salt.
  • Add the green beans and stir to coat evenly. Mix in 2/3 of the crispy fried onions and the cheddar cheese (if using).
  • Transfer the mixture to the prepared baking dish and spread evenly.

Bake

  • Bake uncovered for 30–35 minutes, or until hot and bubbly.
  • Top with remaining onions and bake another 10 minutes, or until the topping is golden and crisp.
  • Serve warm and enjoy every creamy, crunchy bite.

Notes

Make-Ahead: Assemble the casserole (without topping) up to 48 hours in advance. Refrigerate, then bake as directed, adding 5–10 minutes to the bake time.
Freezer Option: Freeze before baking for up to 1 month. Thaw overnight, bake covered for 35 minutes, then uncover to crisp the topping.
Fresh Beans Tip: Blanch fresh green beans to maintain that bright color and tender-crisp texture.
Serving Idea: Sprinkle a handful of extra crispy onions right before serving for extra crunch