Grilled Moroccan Meatballs with Yogurt Sauce

Bahan-bahan (4 porsi)

• 1 large egg
• 3 cloves garlic, (minced)
• 1 teaspoon ground cumin
• 1 teaspoon ground allspice
• ¼ cup finely chopped fresh cilantro ((optional))
• 1¼ teaspoons kosher salt
• ½ teaspoon freshly ground black pepper
• 1¼ lbs 85% lean ground beef
• 1/3 cup panko
• ½ cucumber, (peeled, halved lengthwise, seeded and finely diced)
• 1 cup plain low-fat or whole milk Greek yogurt ((do not use non-fat))
• 2 tablespoons fresh lemon juice, (from one lemon)
• 1 tablespoon chopped fresh dill
• ¼ teaspoon kosher salt
• ¼ teaspoon freshly ground black pepper