For a variation on pasta with pesto sauce, use kale instead

This undated photo provided by America's Test Kitchen in July 2018 shows pasta with kale and sunflower seed pesto in Brookline, Mass. This recipe appears in the cookbook “Cooking At Home With Bridget And Julia.” (Carl Tremblay/America's Test Kitchen via AP)

Although most people think of pesto as an Italian sauce made with herbs (most famously, basil), many ingredients can be ably featured in a pesto. One of note is kale — leafy and deep green, with an earthy, slightly bitter flavor.