Summer Macaroni Salad

Bahan-bahan (10 porsi)

• 3/4 cup mayonnaise
• 1/4 cup sour cream
• 1 tablespoon white wine vinegar ((or white balsamic vinegar))
• 1 tablespoon minced onion
• 1 tablespoon chopped fresh chives
• 1 tablespoon garlic powder
• 1 teaspoon salt
• 3/4 teaspoon freshly ground black pepper
• 16 ounces macaroni noodles
• 2 cups corn ((canned, frozen or cut off the cob))
• 2 large tomatoes, (diced)
• 1/2 cup halved black olives
• 1 cup shredded cheddar cheese