Tortellini-and-Tomato Salad

INGREDIENTS

• 2 (9-oz.) packages refrigerated cheese-filled tortellini
• 1/2 cup olive oil
• 1/2 cup freshly grated Parmesan cheese
• 3 tablespoons fresh lemon juice
• 2 garlic cloves
• 1 teaspoon Worcestershire sauce
• 1/2 teaspoon salt
• 2 cups baby heirloom tomatoes, halved
• 1 cup fresh corn kernels
• 1/2 cup thinly sliced green onions
• 1/2 cup coarsely chopped fresh basil
• Salt and pepper