Yogurt Marinade + Sauce – ▢½ cup (75 ml) thick plain yogurt, Greek or Icelandic-style preferred – ▢¼ cup (60 ml) tahini paste – ▢2 tablespoons (30 ml) extra virgin olive oil – ▢2 tablespoons (30 ml) fresh lemon juice – ▢2 tablespoons (15 ml) cold water – ▢2 teaspoons (2 ml) grated or finely chopped garlic – ▢1 teaspoon ground cumin – ▢1 teaspoon dried oregano, or 2 teaspoons fresh chopped oregano or thyme – ▢¾ teaspoon kosher salt – ▢¼-½ teaspoon cayenne pepper, to taste Chicken Skewer – ▢1 ½ pounds (675 g) boneless chicken thigh or breast, cut into 1 1/2-inch chunk – ▢(2 ml) Kosher salt – ▢Freshly ground black pepper – ▢1½-2 cups (225 g) red cherry tomatoes, or use assorted color – ▢1 medium (250 g) zucchini (about 10 ounces), cut into 1 1/2-inch chunk – ▢2 red, yellow or orange bell peppers, cut into 2-inch piece – ▢Extra virgin olive oil – ▢½ cup crumbled feta cheese – ▢Chopped fresh cilantro – ▢Fresh lemon wedges, for serving