Drain your 3 cans of green beans and place into a large bowl.
Add in your mushroom soup, cheddar cheese and ½ cup of the fried onions to the bowl of green beans and mix well.
Transfer to a 9 x 9 baking dish.
Cook in the oven for 25 minutes.
Top with remaining fried onions and cook an additional 5 minutes
Notes
The amount of ingredients in this recipe is for a family of 3-6 people. If you would like to cook this green bean recipe for a potluck or larger family just double the ingredients.