Pizza Salad

Ingredients

• 8 oz. Italian pasta twists, cooked (tri color)
• 1 small red onion
• 1 small green pepper
• 2 large tomatoes
• 1/2 lb. sliced pepperoni
• 1/2 lb. sharp cheese, cubed
• 1 can black olives
• oregano
• salt and pepper
• 1/2 c. olive oil
• 1/2 c. vinegar