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The Best Kid-Approved Green Bean Casserole with Crispy Onions

green bean casserole with crispy onions - featured image

This kid-approved green bean casserole with crispy onions features crisp-tender beans, a creamy sauce, and a crunchy onion topping. It’s a family-friendly twist on the classic holiday side dish that even picky eaters love.

Ingredients

Scale
  • 1 ½ pounds fresh green beans, trimmed and cut into 2-inch pieces
  • 1 can (10.5 ounces) condensed cream of mushroom soup
  • ¾ cup whole milk
  • 1 tablespoon soy sauce
  • ¼ teaspoon freshly ground black pepper
  • ½ teaspoon garlic powder (optional)
  • 1 ½ cups crispy fried onions
  • ½ cup shredded cheddar cheese (optional)

Instructions

  1. Preheat your oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish with butter or cooking spray.
  2. Bring a large pot of salted water to a boil (about 1 tablespoon salt per 4 cups water). Fill a large bowl with ice water and set aside.
  3. Blanch the green beans: Drop the trimmed beans into the boiling water and cook for exactly 3 minutes. They should turn bright green and be slightly tender but still have a snap.
  4. Shock the beans: Immediately transfer the beans to the ice bath using a slotted spoon or colander. Let sit for 3-4 minutes until completely cool. Drain well and pat dry with a clean kitchen towel or paper towels.
  5. Make the sauce mixture: In a large bowl, whisk together the cream of mushroom soup, milk, soy sauce, black pepper, and garlic powder (if using) until smooth.
  6. Combine everything: Add the drained green beans to the sauce mixture and stir until every bean is coated. Fold in ½ cup of the crispy fried onions and the shredded cheddar cheese (if using).
  7. Transfer to the baking dish: Pour the mixture into the prepared dish and spread into an even layer.
  8. Bake the casserole: Place in the preheated oven and bake for 25 minutes, uncovered, until bubbly around the edges and the sauce has thickened.
  9. Add the topping: Remove from the oven and sprinkle the remaining 1 cup of crispy fried onions evenly over the top. Return to the oven and bake for another 5-7 minutes, until the onions are golden and fragrant.
  10. Rest before serving: Let the casserole sit for 5 minutes before serving to allow the sauce to set.

Notes

Don’t skip the blanching step—it ensures crisp-tender beans. Dry the beans thoroughly after shocking to avoid a watery casserole. Add the crispy onions in two stages for maximum crunch. Let the casserole rest for 5 minutes before serving to allow the sauce to set. For make-ahead, assemble through step 6, cover, and refrigerate for up to 24 hours; add about 10 minutes to the baking time. For freezing, assemble unbaked, cover tightly, and freeze for up to 3 months; thaw overnight in the fridge before baking.

Nutrition

Keywords: green bean casserole, kid-approved, crispy onions, Thanksgiving side dish, easy vegetable side dish, holiday recipe, family dinner