Pizza Pasta Salad

Ingredients

• 8 ounces uncooked spiral pasta
• 6 tablespoons vegetable oil
• 1/3 cup grated Parmesan cheese
• 1/4 cup red wine vinegar
• 1 teaspoon dried oregano
• 1/2 teaspoon salt
• 1/2 teaspoon garlic powder
• 1/8 teaspoon pepper
• 1 cup halved cherry tomatoes
• 1 cup (4 ounces) cubed cheddar cheese
• 1 cup (4 ounces) cubed part-skim mozzarella cheese
• 1/2 cup sliced green onions
• 1/2 cup sliced pepperoni (about 1-1/2 ounces)