Preheat grill to medium-high. Cook pasta according to package directions. Drain and transfer pasta to a large bowl.
Meanwhile, grill corn 12 minutes, until lightly charred in spots. Cut zucchini into 1/2"-thick slices on an angle. Season with salt and pepper. Grill 3 to 4 minutes per side, until tender. Cut tomatoes in half and grill 2 to 3 minutes per side, until grill marks appear.
Transfer vegetables to a cutting board and let cool slightly. Cut corn kernels from cob. Chop zucchini and tomatoes. Add vegetables and pesto to bowl with pasta and toss to coat. Season with salt and pepper to taste.
Hannaford fresh Magazine, July August 2023