Ground turkey (6oz), 1/2 onion (diced), 1/4 teaspoon garlic (minced), 1 teaspoon Worcestershire sauce, 1/8 teaspoon each of oregano, cumin and freshly ground black pepper, 2 tablespoon olive oil, 1 roll and leaves of lettuce, slice of cheese, small tomato, 1/2 teaspoon mustard