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a casserole dish of Epic Green Bean Casserole with crispy onions on top
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Epic Green Bean Casserole

Discover the flavors of Epic Green Bean Casserole, the holiday side dish that sets a new standard for deliciousness.
Course Side Dish
Cuisine American
Keyword casserole, chrismas food, thanksgiving food
Prep Time 20 minutes
Cook Time 35 minutes
Total Time 55 minutes
Servings 8
Calories 211kcal

Ingredients

  • 1.5 lbs fresh green beans
  • 1 lb mushrooms
  • 1 medium onion
  • 4 garlic cloves
  • 3 cups whole milk
  • 1/4 cup flour
  • 4 tbsp unsalted butter
  • 1 tsp salt
  • 1/2 tsp pepper
  • 1/2 tsp paprika
  • 1/4 tsp nutmeg
  • 1 cup crispy fried onions

Instructions

  • Preheat Oven: Preheat your oven to 375°F (190°C). Grease a 9x13-inch baking dish and set aside.
  • Blanch Green Beans: Boil a pot of salted water and blanch the green beans for 3-4 minutes. Drain and set aside.
  • Sauté Mushrooms: In a large skillet, melt 2 tablespoons of butter over medium heat. Add the mushrooms and sauté until tender, about 5 minutes.
  • Prepare Creamy Mushroom Sauce: In the same skillet, add the remaining butter, chopped onion, and garlic. Sauté until the onions are translucent. Sprinkle in the flour and stir for 1-2 minutes. Gradually add the milk while stirring constantly. Add salt, pepper, paprika, and nutmeg. Cook until the sauce thickens.
  • Combine: Add the blanched green beans to the skillet and mix well with the sauce.
  • Assemble and Bake: Transfer the green bean mixture to the prepared baking dish. Top with crispy fried onions.
  • Bake: Place the dish in the preheated oven and bake for 25-30 minutes, or until the top is golden and bubbly.
  • Serve: Remove from oven and let it sit for a few minutes before serving.

Notes

  • Blanch Ahead: If you're tight on time, blanch your green beans a day in advance. Just make sure to cool them quickly in an ice bath to keep that vibrant green color.
  • Mushroom Magic: When sautéing mushrooms, don't crowd the pan. Giving them some space helps them brown nicely instead of getting soggy.
  • Onion Wisdom: To avoid teary eyes while chopping onions, pop them in the freezer for about 15 minutes before cutting. It really helps!
  • Garlic Hack: Use a garlic press or grate the garlic for a more intense flavor. It's a game-changer.
  • Sauce Smoothness: For a lump-free sauce, sift the flour before adding it to the pan. And always whisk, whisk, whisk!
  • Season as You Go: Don't wait until the end to season. Add salt and pepper at different stages to build layers of flavor.
  • Taste Test: Before assembling, taste the creamy mushroom sauce. Need more salt? A dash more nutmeg? Now's the time to adjust.
  • Crispy Onions Last: Add the crispy fried onions just before baking to keep them, well, crispy.
  • Oven Watch: Keep an eye on the casserole during the last few minutes of baking. You want a golden top but not a burnt one.
  • Let It Rest: After taking the casserole out of the oven, let it sit for a few minutes. It helps the flavors meld together.
  • Serving Spoon: Use a slotted spoon for serving to drain any excess sauce, keeping your plate from getting too soggy.
  • Leftover Love: If you have leftovers, they make a killer filling for a grilled cheese sandwich. Trust me on this one.

Nutrition

Serving: 1g | Calories: 211kcal | Carbohydrates: 20g | Protein: 7g | Fat: 12g | Saturated Fat: 7g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 0.2g | Cholesterol: 26mg | Sodium: 393mg | Potassium: 534mg | Fiber: 3g | Sugar: 9g | Vitamin A: 973IU | Vitamin C: 13mg | Calcium: 155mg | Iron: 1mg