5 to 8 yellow squash
1/2 lg. onion, chopped or 3 tbsp.instant minced onion
6 tbsp. mayonnaise or butter
1 to 1 1/2 c. grated cheddar cheese
1 can Rotel tomatoes
Salt and pepper to taste
Cracker crumbs

Slice squash and cook with onion until tender. Drain, add 4 tablespoons butter, cheese, tomatoes, salt and pepper. Stir and place in casserole. Add cracker crumbs to melted butter. Spread on top of squash mixture. Bake at 350 degrees until bubbly.