Preparation Cook tortelloni in a pasta pot of boiling salted water (2 tablespoons salt for 6 quarts water) according to package instructions. While tortelloni boils, cook garlic, prosciutto, corn, 1/2 teaspoon salt, and 1/4 teaspoon pepper in butter in a large heavy skillet over medium-high heat, stirring occasionally, until corn is just tender, 4 to 5 minutes. Meanwhile, chop tomatoes. Combine corn mixture and tomatoes in a large bowl. Reserve 1/4 cup pasta-cooking water, then drain tortelloni and add to vegetables along with reserved cooking water and basil. Toss well and season with salt and pepper.
Preparation Cook tortelloni in a pasta pot of boiling salted water (2 tablespoons salt for 6 quarts water) according to package instructions. While tortelloni boils, cook garlic, prosciutto, corn, 1/2 teaspoon salt, and 1/4 teaspoon pepper in butter in a large heavy skillet over medium-high heat, stirring occasionally, until corn is just tender, 4 to 5 minutes. Meanwhile, chop tomatoes. Combine corn mixture and tomatoes in a large bowl. Reserve 1/4 cup pasta-cooking water, then drain tortelloni and add to vegetables along with reserved cooking water and basil. Toss well and season with salt and pepper.