Meal on a Stick - Shrimp Kabobs

INGREDIENTS

• 2 red potatoes
• 4 (6 inch) skewers
• 16 large shrimp, peeled and deveined
• 1 large onion, cut into large chunks
• 1 large tomato, cut into large chunks
• 1/4 cup extra-virgin olive oil
• 1 teaspoon salt
• 1 teaspoon ground black pepper