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A square white baking dish filled with green bean casserole topped with crispy fried onions, sitting on a white surface near a wooden spoon and a folded cloth napkin.

Green Bean Casserole with Cream of Mushroom Soup

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This green bean casserole with cream of mushroom soup is an easy green bean casserole recipe made with melted cheddar and crispy French fried onions, ready for the holiday table in about 45 minutes.
Course Side dish
Cuisine American
Prep Time 5 minutes
Cook Time 40 minutes
Total Time 45 minutes
Servings 6 servings
Calories 243
Author Gina Dickson

Ingredients

  • 30 ounces green beans canned, 2 15 oz cans, drained, cut
  • 10 1/2 ounces condensed cream of mushroom soup canned
  • 1 cup cheddar cheese shredded
  • 1/2 cup whole milk
  • 1 1/3 cups fried onions crispy, divided
  • 1 teaspoon garlic powder
  • 1/2 teaspoon onion powder
  • Salt and pepper to taste
  • Nonstick cooking spray for greasing the dish

Instructions

Prepare the Casserole

  • Preheat the oven to 350 degrees Fahrenheit and grease an 8-by-8 inch baking dish or 1.5-quart baking dish with nonstick cooking spray.
    Nonstick cooking spray
  • Add the drained green beans, condensed cream of mushroom soup, cheddar cheese, whole milk, half of the crispy fried onions, garlic powder, onion powder, salt, and pepper to the prepared baking dish.
    30 ounces green beans, 10 1/2 ounces condensed cream of mushroom soup, 1 cup cheddar cheese, 1/2 cup whole milk, 1 1/3 cups fried onions, 1 teaspoon garlic powder, 1/2 teaspoon onion powder, Salt and pepper
    A white dish with green beans, shredded cheddar cheese, crispy fried onions, cream soup, and seasonings, ready to be mixed for a casserole.
  • Stir until everything is evenly combined.
    A square white baking dish filled with green bean casserole topped with melted cheese, next to a bowl of crispy onions and a white sauce pitcher on a white surface.
  • Use a damp paper towel to wipe the edges of the baking dish clean.

Bake the Casserole

  • Bake uncovered for 30 minutes, or until it's bubbling at the edges and the cheese is melted.
  • Sprinkle the remaining crispy fried onions evenly over the top.
    A square white dish filled with green bean casserole topped with crispy fried onions, with plates nearby on a white surface.
  • Return to the oven and bake uncovered for another 10 minutes, or until the onions are golden.
    A baked green bean casserole in a white square dish, topped with crispy fried onions. A wooden spoon and part of a striped towel are visible nearby.
  • Remove from the oven and let cool slightly before serving.

Notes

  • Storage: Store leftovers in an airtight container in the refrigerator for 3 to 4 days for best results.
  • Make Ahead: Assemble the full casserole up to a day ahead, leaving off the second half of the crispy fried onions. Cover and refrigerate overnight. The next day, uncover and bake as directed, adding the remaining fried onions in the last 10 minutes.
  • Doneness: The casserole is done with its first bake once it's bubbling at the edges and the cheese is melted. After the onions go on top, it's done once they turn golden, about 10 more minutes.
  • Freezing: Not recommended for this recipe.

Nutrition

Serving: 1serving | Calories: 243kcal | Carbohydrates: 20g | Protein: 10g | Fat: 15g | Saturated Fat: 7g | Polyunsaturated Fat: 0.5g | Monounsaturated Fat: 2g | Cholesterol: 24mg | Sodium: 595mg | Potassium: 414mg | Fiber: 4g | Sugar: 6g | Vitamin A: 1200IU | Vitamin C: 17mg | Calcium: 214mg | Iron: 2mg
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