Lamburgers àla Grecque with Cilantro Mint Chutney recipes

Name: Lamburgers àla Grecque with Cilantro-Mint Chutney recipes
Ingredients: chutney; ⅓ cup plain yogurt; 2 tablespoons chopped onion; 1½ fresh jalapeño chiles, seeded and chopped; 1½ tablespoons chopped fresh ginger; ⅓ cup fresh mint leaves; ¾ cup cilantro leaves; 1 large garlic clove, chopped; ½ teaspoon kosher salt; Pinch of sugar; 1 pound lean ground lamb; 1 pound ground sirloin; 1 garlic clove, minced; ½ cup crumbled feta cheese; ⅓ cup Kalamata olives, minced; 1 teaspoon kosher salt; ¼ cup extra-virgin olive oil; 1 teaspoon ground cumin mixed with 1 teaspoon ground coriander; olive oil; 6 thick pita breads; 6 tomato slices; 6 thin red onion slices; 6 red leaf lettuce leaves