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–+ servings
Green Bean Casserole Side

Creamy Green Bean Casserole Side That Elevates Every Meal

A delicious green bean casserole side with creamy mushroom sauce that is perfect for holiday gatherings and quick weeknight dinners.
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Prep Time 15 minutes
Cook Time 30 minutes
Cooling Time 5 minutes
Total Time 50 minutes
Servings: 6 servings
Course: Dishes
Cuisine: American
Calories: 300
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Casserole
  • 1 pound fresh or frozen green beans (blanched) Fresh beans are ideal for the best flavor.
  • 4 tablespoons butter Essential for sautéing the mushrooms.
  • 8 ounces sliced fresh mushrooms Avoid canned for the best results.
  • 2 tablespoons flour Helps thicken the mushroom sauce.
  • 1-2 cups milk Adjust for desired thickness; can swap for dairy-free alternatives.
  • 1 cup grated Parmesan cheese (or dairy-free cheese) Adds rich, nutty flavor.
For the Topping
  • 1 cup fried shallots Adds crunch and textural contrast.
  • 1 teaspoon garlic powder Fresh garlic can be substituted.
  • 1 teaspoon onion powder Fresh onion works well too.
  • to taste salt Essential for balancing flavors.
  • to taste black pepper Adjust as needed.

Equipment

  • large pot
  • Large skillet
  • 2-quart baking dish

Method
 

Step-by-Step Instructions
  1. Blanch the green beans by cooking them in boiling salted water for 3-4 minutes until vibrant green. Transfer to ice water to stop cooking.
  2. Sauté the mushrooms in melted butter in a skillet over medium heat for 5-7 minutes until golden brown.
  3. Sprinkle flour over the mushrooms and stir for 1 minute. Gradually whisk in milk, cooking until sauce thickens.
  4. Fold the blanched green beans into the mushroom sauce, adjusting seasoning as needed.
  5. Pour the mixture into a greased baking dish. Top with grated Parmesan cheese and fried shallots.
  6. Bake at 375°F (190°C) for 20-30 minutes until golden brown and bubbly.
  7. Let cool for 5 minutes before serving.

Nutrition

Serving: 1servingCalories: 300kcalCarbohydrates: 25gProtein: 10gFat: 20gSaturated Fat: 10gPolyunsaturated Fat: 2gMonounsaturated Fat: 8gCholesterol: 40mgSodium: 600mgPotassium: 400mgFiber: 4gSugar: 3gVitamin A: 600IUVitamin C: 10mgCalcium: 200mgIron: 2mg

Notes

This casserole can be prepared in advance and refrigerated unbaked for up to 48 hours, making holiday entertaining a breeze!

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