pesto pasta salad

Ingredients

• 1 pound short pasta bowties
• 2-3 tablespoons extra-virgin olive oil
• 1 pint cherry or grape tomatoes, halved
• 1 small red onion, diced
• 1/2 - each yellow and green bell pepper, diced
• 1/2 cup black olives, sliced
• 1 pound cooked sala shrimp, thawed
• 1/4 cup fresh basil leaves, torn into small pieces
• 1 cup prepared refrigerated pesto sauce
• 1/2 cup mayonnaise
• 2 teaspoons fresh lemon juice
• 1/2 cup cup grated parmesan cheese