4 style lamb burgers with sauce Recipes

boiling-hot water, bulgur, salt, onion, quartered, fresh cilantro leaves, fresh flat-leaf parsley leaves, ground lamb, paprika (not hot ), ground allspice, black pepper, cayenne, garlic clove, salt, walnuts (1 1/2 oz), water, fresh lemon juice, cayenne, pita loaves, olive oil, paprika (not hot ) for dusting, garnish: fresh cilantro sprigs

boneless lamb shoulder, trimmed and cut into 1-inch pieces, olive oil, divided, chopped onion, chopped shallots, minced garlic, divided, ground cumin, ground coriander, ground cardamom, ground mustard, ground turmeric, ground red pepper, grated whole nutmeg, chopped fresh mint, divided, kosher salt, divided, red bell peppers, low-fat greek-style plain yogurt, fresh lemon juice, freshly ground black pepper, divided, hamburger buns, toasted, torn radicchio

plain yogurt, loosely packed whole fresh mint leaves plus 2 tbsp minced, fresh lemon juice, garlic clove, halved lengthwise, ground lamb (not lean), minced fresh parsley, minced onion, salt, black pepper, ground allspice, thick) slices country-style bread (from a crusty round loaf; preferably 6 inches in diameter), extra-virgin olive oil, mesclun (3 cups)