Rosemary Garlic Roast Leg of Lamb with Tzaziki

Name: Rosemary Garlic Roast Leg of Lamb with Tzaziki
Prep time: 30 min
Cook time: 2 h
Total time: 2 h 30 min
Cuisine: Greek
Ingredients: 1 cup full-fat Greek yogurt; Juice ½ lemon; 2 small Persian cucumbers (peeled, deseeded and finely chopped); 2 cloves garlic (finely chopped or grated); 1 tablespoon finely chopped fresh dill; 8 sprigs mint (finely chopped, substitute 1 teaspoon dried mint); ½ teaspoon dried oregano (substitute 1 teaspoon finely chopped fresh oregano); Kosher salt and freshly-cracked black pepper to taste; 6 cloves garlic (finely chopped); 1 tablespoon finely chopped fresh rosemary (around 2 sprigs); 2 teaspoons dried oregano; 2 teaspoons dried thyme; 2 teaspoons kosher salt; 1 teaspoon dried red chili flakes; ½ teaspoon freshly-cracked black pepper; Juice and zest 1 lemon; ¼ cup extra virgin olive oil; 1 boneless leg of lamb (around 4 pounds, substitute bone-in leg of lamb); 1.5 pounds creamer potatoes; ½ pound carrots (cut into large pieces); 1 large red onion (cut into wedges)