Cooking Tips for Perfect Green Bean Casserole

Dive into the comforting embrace of the Ultimate Green Bean Casserole, a dish that has graced holiday tables and family dinners with its creamy, crunchy goodness for generations. This reimagined classic takes the traditional recipe and elevates it with fresh ingredients and a homemade touch, ensuring that every bite is as flavorful as it is nostalgic. Perfect for Thanksgiving, Christmas, or any occasion that calls for a side dish that’s both hearty and heartwarming, this green bean casserole promises to steal the show. Let’s embark on a culinary journey to create a version of this beloved classic that’s bound to become a new favorite.



Why You’ll Love This Ultimate Green Bean Casserole:

  • Elevated Flavors: Fresh green beans and a homemade creamy mushroom sauce bring depth and richness to the dish.
  • Crunchy Topping: A golden, crispy onion topping adds the perfect textural contrast to the creamy beans.
  • Made with Love: Ditching the canned soup for a from-scratch approach adds a personal touch to your meal.
  • Versatile: Easily adaptable to fit dietary preferences and perfect alongside a wide array of main dishes.

Ingredients Notes For Ultimate Green Bean Casserole:

  • Green Beans: Fresh green beans, trimmed and blanched, provide the best texture and flavor.
  • Mushrooms: A mix of button or cremini mushrooms, finely chopped, for a savory, earthy sauce base.
  • Flour & Butter: For roux, thickening the homemade sauce while adding richness.
  • Cream: Heavy cream (or a lighter alternative for a less rich version) melds the sauce together beautifully.
  • Fried Onions: Homemade or store-bought crispy fried onions for the iconic crunchy topping.
  • Seasonings: Garlic, thyme, and nutmeg add depth to the mushroom sauce.

Recipe Steps:

  1. Prep the Green Beans: Blanch the trimmed green beans in boiling water for 5 minutes, then plunge into ice water to stop the cooking. Drain well.
  2. Make the Mushroom Sauce: Sauté chopped mushrooms in butter until golden. Add garlic and thyme, cook until fragrant. Sprinkle with flour, cook for a minute, then gradually whisk in cream (and a splash of chicken or vegetable broth if desired) until thickened. Season with salt, pepper, and a pinch of nutmeg.
  3. Combine: Toss the blanched green beans in the mushroom sauce until well coated. Transfer to a baking dish.
  4. Add Topping: Sprinkle a generous layer of crispy fried onions on top.
  5. Bake: In a preheated oven at 375°F (190°C), bake for 25-30 minutes, or until bubbling and the topping is golden brown.
  6. Serve: Let it cool slightly before serving to allow the sauce to set.

Storage Options:

  • Refrigerate: Store leftovers in an airtight container for up to 3 days. Reheat in the oven to maintain the topping’s crispiness.
  • Make-Ahead: Assemble the casserole without the topping, cover, and refrigerate a day ahead. Add the fried onions just before baking.




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Cooking Tips for Perfect Green Bean Casserole


  • 2 cans (10.5 ounces each) of condensed cream of mushroom soup
  • 3/4 cup milk
  • 1/8 teaspoon black pepper
  • 2 cans (14.5 ounces each) or about 4 cups of green beans, drained (you can also use fresh or frozen green beans that have been cooked and drained)
  • 2 1/2 cups crispy fried onions, divided


  1. Preheat the Oven:
    • Preheat your oven to 350°F (175°C).
  2. Mix the Ingredients:
    • In a large bowl, mix together the condensed cream of mushroom soup, milk, and black pepper until well combined. Stir in the green beans and 1 1/4 cups of crispy fried onions.
  3. Transfer to Baking Dish:
    • Pour the mixture into a 9×13-inch baking dish or similar size casserole dish, spreading it out evenly.
  4. Bake:
    • Bake in the preheated oven for 25 minutes, or until the casserole is hot and bubbling around the edges.
  5. Add Remaining Onions:
    • Remove the casserole from the oven and stir the mixture. Sprinkle the remaining 1 1/4 cups of crispy fried onions evenly over the top.
  6. Bake Again:
    • Return the casserole to the oven and bake for an additional 5 minutes, or until the onions on top are golden brown and crispy.
  7. Serve:
    • Let the casserole sit for a few minutes before serving to allow it to set slightly. Serve warm as a side dish.
  • Author: Maria

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