Grilled Pizza Burgers

2 pounds lean ground beef
½ teaspoon salt
1 teaspoon ground garlic
¼ cup (1 ounce) chopped pepperoni
2 Tablespoons sliced ripe olives
½ cup pizza sauce
½ cup shredded mozzarella cheese
6 burger buns
6 lettuce leaves

Mix meat, salt and garlic and shape into 12 thin patties. In a small bowl mix pepperoni, olives and 1/3 cup pizza sauce. Place 1 tablespoon of mix on 6 patties. Top with remaining patties and seal edges. Place on medium grill for 8-10 minutes, turning once. During last 2 minutes of grilling, top each patty with remaining pizza sauce and portion of mozzarella. Place buns cut side down on g rill until lightly toasted. Serve with lettuce leaf.