NYT Cooking: This simple pasta celebrates the end-of-summer harvest and is perfect for a light lunch or supper, or as part of a buffet. Bell peppers and other sweet peppers — like Corno di Toro and many other varieties of peppers of every hue — ripen in late summer, the same time as long-awaited flavorful (and multicolored) tomatoes, making their pairing seem almost preordained.