Cut the cheese into small, square pieces.

Mix in bowl

Split and butter

one 7-ounce can

tuna 1 cup chopped celery 1/2 cup diced process yellow cheese 1 small onion, minced 1/4 cup mayonnaise salt and pepper to taste

6 hamburger buns

Fill buns with tuna mixture and replace tops.

Heat in paper sandwich bags on baking sheet at 350° for 15 minutes.

"We had them for Sunday supper. I made them in the morning, put each one in a waxed paper bag, and left them in the refrigerator. Then we just heated them at supper time." Donna