Creamy Pesto Pasta Salad

Name: Creamy Pesto Pasta Salad
Total time: 25 min
Yield: 7 servings
Ingredients: 1 clove garlic; 1/4 cup grated parmesan cheese; 1/4 cup pine nuts; 2 cups fresh basil leaves packed tightly; 1/4 cup olive oil; 3/4 cup buttermilk; 1/3 cup mayonnaise; 1 teaspoon salt; 1/4 teaspoon freshly ground black pepper; 1 pound campanelle rotini or gemelli pasta; 1 cucumber halved and sliced; 2 cups cherry tomatoes red and yellow, halved; 1 orange pepper large dice; 1/2 red onion thinly sliced; 8 ounces fresh mozzarella diced or small balls