1 egg, beaten
1/2 c. mayonnaise
1 tbsp. lemon juice
2 tbsp. minced onion
Dash of pepper
2 tbsp. flour
2 (7 oz.) cans tuna, drained
Vegetable oil for frying
Cheese slices
Buns

Combine egg, mayonnaise, lemon juice, onion and pepper; mix well and stir in flour and tuna. Drop tuna by large spoonfuls into small amount of hot oil in large skillet. Flatten tuna mixture with back of spoon or spatula. Brown on both sides. Add a slice of cheese on top of each burger and let melt. Serve on buns.