Ingredients

1 1/2

lb. lean (at least 80%) ground beef

1/4

teaspoon salt

1/4

teaspoon pepper

4

kaiser rolls, split

1/4

cup creamy mustard-mayonnaise sauce

4

thin slices sweet onion (Walla Walla, Maui or Texas Sweet)

4

tomato slices

4

oz. thinly sliced fresh Parmesan cheese

1/2

cup fresh basil leaves

Preparation

Heat gas or charcoal grill. In medium bowl, combine ground beef, salt and pepper; mix well. Shape mixture into 4 (1/2-inch-thick) patties.

When grill is heated, place patties on gas grill over medium heat or on charcoal grill 4 to 6 inches from medium coals. Cook covered 11 to 13 minutes or until meat thermometer inserted in center of patties reads 160°F, turning once.

To toast rolls, during last 1 to 2 minutes of cooking time, place rolls, cut sides down, on grill.

Spread cut sides of rolls with mustard-mayonnaise sauce. Place patties on bottom halves of rolls. Top each with onion, tomato, cheese, basil and top half of roll.