7 oz. can tuna
1 c. chopped celery
1/2 c. diced Velveeta cheese
1 sm. onion, minced
1/4 c. mayonnaise (Miracle Whip)
Salt and pepper to taste

Split and butter 6 hamburger buns. Fill buns with tuna mixture and replace tops. Wrap in foil. Heat in oven at 350 degrees for 15 minutes.