Creating your own 4-Ingredient Green Bean Casserole couldn’t be easier. Follow these steps for a delicious dish:

1. Preheat Oven: Set your oven to 350°F (175°C).
2. Prepare Green Beans: In a pot, boil water. Add the trimmed green beans and cook for about 5 minutes until slightly tender. Drain and set aside.
3. Combine Ingredients: In a large mixing bowl, combine the cream of mushroom soup and shredded cheddar cheese. Stir until well blended.
4. Add Green Beans: Fold the cooked green beans into the soup and cheese mixture. Ensure they are well coated.
5. Transfer to Baking Dish: Pour the mixture into a greased 9×13 inch baking dish, spreading evenly.
6. Top with Onions: Sprinkle the crispy fried onions over the top of the casserole for that perfect crunchy finish.
7. Bake: Place the dish in the oven and bake for 30-35 minutes or until the dish is bubbly and the onions are golden brown.
8. Cool and Serve: Once baked, remove from the oven and let it sit for about 5-10 minutes before serving. This allows it to set slightly.

Following these straightforward steps, you will create a green bean casserole that is simply delightful!