Juicy Layered Tortilla Kebab Skewers Grilled with Spiced Meat

Ingredients

• 8 wooden or metal skewers
• 6 large flour tortillas, about 10 inches (25 cm)
• 1 1/2 lb (680 g) ground beef, 80/20, or half beef and half lamb
• 1 small red onion, very finely chopped
• 1 small red bell pepper, very finely chopped
• 4 garlic cloves, minced
• 1/2 cup chopped fresh parsley
• 1/4 cup chopped fresh cilantro
• 2 teaspoons ground cumin
• 1 1/2 teaspoons smoked paprika
• 1 teaspoon ground coriander
• 1 teaspoon kosher salt
• 1/2 teaspoon black pepper
• 1/2 teaspoon chili flakes, plus more to taste
• 1 tablespoon olive oil, for the grill grates
• 4 tablespoons (56 g) unsalted butter, melted
• 1 tablespoon olive oil
• 2 garlic cloves, finely grated
• 1 teaspoon lemon zest
• 1 tablespoon lemon juice
• 1 tablespoon honey
• 1 tablespoon chopped fresh parsley
• Pinch of kosher salt
• Plain Greek yogurt or garlic yogurt sauce
• Lemon wedges
• Sliced cucumber, tomato, or pickled red onions