Ingredients:

1 1/2 pounds ground beef chuck
4 sesame seed sandwich rolls, split, toasted
1 cup watercress or mixed spring greens

Seasoning:
1 tablespoon curry powder
1 tablespoon Caribbean jerk seasoning
1 teaspoon salt

Sauce:
1/2 cup mayonnaise
1/4 cup plain yogurt
1 tablespoon fresh lime juice
2 teaspoons grated lime peel
1/4 teaspoon salt

Directions:

1. Combine ground beef and seasoning ingredients in large bowl, mixing lightly but thoroughly. Shape into four patties using Burger Mate. Place patties on grid over medium, ash-covered coals. Grill, uncovered, 13 to 15 minutes to medium (160°F) doneness, until not pink in center and juices show no pink color, turning occasionally.

2. Meanwhile combine sauce ingredients in small bowl; set aside.

3. Spread sauce on cut sides of rolls. Place a burger on bottom half of each roll; top evenly with watercress. Close sandwiches.