grilled greek potato salad

Ingredients

• - 3 pounds small red potatoes, halved
• - 2 tablespoons olive oil
• - 1/2 teaspoons salt
• - 1/4 teaspoon pepper
• - one large sweet yellow pepper, chopped
• - one large sweet red pepper, chopped
• - one medium red onion, halved and sliced
• - one medium cucumber, chopped
• - 1 1/4 cups of grape tomatoes, halved
• - 1/2 pound fresh mozzarella cheese, cubed
• - 3/4 cup red wine vinegar
• - 1/2 cup halved greek olives
• - one can sliced ripe olives, drained, 2.25 ounces
• - 2 tablespoons minced fresh oregano or 1 teaspoon dried oregano