Skewered Greek Salad

Ingredients

• 24 grape or small cherry tomatoes
• 3 ounces firm feta cheese (see Cooks Note), cut into 12 (1/2-inch) cubes
• 12 pitted kalamata olives
• 1/2 small red or sweet onion, cut into 12 (1/2-inch) pieces
• 2 teaspoons fresh lemon juice
• 2 teaspoons red wine vinegar
• 4 teaspoons chopped fresh oregano leaves
• 2 tablespoons olive oil
• Salt and freshly ground black pepper
• 12 (6-inch) bamboo or wood skewers