Lamb Burgers

For 6 burgers:

1 C. fat-free Greek yogurt

1/2 C. grated cucumber

1 tsp. finely chopped fresh mint

3 garlic cloves, pressed and divided

1 3/4 tsp.salt, divided

2 lbs. ground lamb

1/4 C. minced red onion

1/4 C. finely chopped fresh mint

1 Tbsp. finely chopped fresh oregano

1 Tbsp. whole grain mustard

6 hamburger buns

Toppings: Bibb lettuce, sliced tomatoes, sliced red onion, dill pickle chips

Preheat grill to 350° to 400° (medium-high) heat. Stir together first 3 ingredients, 1 pressed garlic clove, and 1/2 tsp. salt. Cover and chill until ready to serve.
Gently combine lamb, next 4 ingredients, and remaining 2 pressed garlic cloves and 1 1/4 tsp. salt. Shape mixture into 6 (4-inch) patties.
Grill patties, covered with grill lid, 5 to 6 minutes on each side or to desired degree of doneness. Serve burgers on buns with yogurt sauce and desired toppings.