Total time: 30 minutes
1 1/2 pounds sirloin steak, cut into 1 1/2 inch pieces
2 bell peppers, cut into 1 1/2 inch pieces
1 red onion, cut into 1 1/2 inch pieces
1 tablespoon olive oil
2 teaspoons ground coriander
Kosher salt and pepper
1/2 cup plain yogurt
2 tablespoons lemon juice
4 pitas, warmed, for serving
1/4 cup fresh mint leaves
Hot sauce, for serving
Toss the steak, bell peppers, and onion with the oil and coriander; season with 3/4 teaspoon black pepper. Thread onto 8 skewers and broil, turning occasionally, until cooked through, 6 to 8 minutes.
Mix together the yogurt and lemon juice. Serve the kebabs with the warm pitas and top with the yogurt sauce, mint, and hot sauce.