California Burger

Procedure

1. Cook the hamburger patty on a griddle or grill to desired doneness.
2. While the meat is cooking, prepare the roll. Butter the bottom half very lightly. Spread the top half with mayonnaise.
3. Place the halves of the roll side by side on a serving plate.
4. On the top half, place the lettuce leaf, the onion slice (if used), and th