4 baking potatoes
1 c. mayonnaise
1/2 c. grated cheddar
1/4 c. onion
2 (7 oz.) cans tuna, drained
1/4 c. chopped green pepper

Bake potatoes until well done. Scoop baked potato from shell halves and lightly toss with remaining ingredients. Spoon back into shells. Heat for 10-15 minutes at 400 degrees.