Budget Tuna Melt

1  6 and 1/2 can tuna, or leftover meat
1 tablespoon mayonnaise
1 tablespoon yogurt
2 teaspoons finely chopped onion
2 to 3 slices bread, your choice
2 to 3 slices processed cheese

Mix tuna, mayonnaise, yogurt, and onion.  Spread on bread.  Top with cheese slice.  Place under broiler or in microwave to melt cheese.

Makes 2 to 3 servings.