Ingredients

• 2 cups plain nonfat yogurt
• 1/2 medium onion, chopped
• 1/2 cucumber, peeled, seeded, diced
• 1 tablespoon minced garlic
• 2 teaspoons fresh lemon juice
• 1 pound ground lamb
• 2/3 cup fresh white breadcrumbs
• 1/2 medium onion, chopped
• 2 tablespoons chopped fresh parsley
• 4 teaspoons minced garlic
• 1 1/4 teaspoons dried oregano
• 4 pita bread rounds, top 1/4 trimmed from each (tops reserved)
• 4 lettuce leaves

Instructions

1. Mix first 5 ingredients together in medium bowl. Season yogurt sauce to taste with salt and pepper.
2. Mix lamb and next 5 ingredients in large bowl until well blended. Season generously with salt and pepper. Shape mixture into four 3/4-inch-thick patties.
3. Preheat broiler. Place lamb patties on broiler rack and broil until cooked through, about 4 minutes per side.
4. Open pita bread rounds; line bottoms with trimmed tops, if desired. Place lettuce, burger, then large spoonful of yogurt sauce in each round. Serve, passing sauce separately.