Ingredients for - Easy Make-Ahead Green Bean Casserole

1. Nonstick cooking spray
2. Frozen French-cut green beans, thawed 2 (10 ounce) packages
3. Light butter 2 tablespoons
4. Onion, chopped ⅓ cup
5. All-purpose flour 2 tablespoons
6. Salt 1 teaspoon
7. Ground black pepper ¼ teaspoon
8. Light sour cream 1 cup
9. Shredded reduced-fat Cheddar cheese 1 cup

How to cook deliciously - Easy Make-Ahead Green Bean Casserole

1 . Stage

Spray a shallow 1 1/2-quart casserole dish with nonstick spray.

2 . Stage

Place beans in a large pot and halfway cover with salted water; bring to a boil. Cook until tender, 4 to 6 minutes. Drain and set aside.

3 . Stage

Melt butter in a skillet over medium heat. Add onion and cook until tender, 5 to 7 minutes. Blend in flour, salt, and pepper. Stir in sour cream, stirring constantly, cooking until smooth and thickened. Mix in cooked beans, then pour into the prepared casserole. Cover and refrigerate until ready to bake.

4 . Stage

Preheat the oven to 350 degrees F (175 degrees C).

5 . Stage

Remove casserole from the refrigerator and sprinkle Cheddar cheese over top.

6 . Stage

Bake in the preheated oven until bubbly, 15 to 20 minutes. Serve warm.