1 box frozen mixed vegetables
1 c. chopped celery
1 c. grated cheese
1 c. chopped onion
1 c. mayonnaise
16 crushed saltines
3/4 stick butter

Mix cracker crumbs with melted butter. Mix all other ingredients and pour into casserole. Spread buttered crackers on top. Bake 20-30 minutes at 325 degrees. Serves 6.