Deb's Green Bean Casserole

"My sister's recipe"
Serves 8 | Prep Time 30 minutes | Cook Time 30 minutesWhy I Love This Recipe
In my mom's recipe files.
Ingredients You'll Need
4 tablespoons butter
3/4 cup chopped onion
3 cans green beans
1 can cream of mushroom soup
2 ounces shredded cheddar cheese
chopped pecans
salt and pepper, to taste
Directions
Saute onion. Add beans, soup, cheese. Cook until cheese melts. Put in baking dish. Cover with chopped pecans. Bake 30 minutes at 350 degrees or until bubbly.