Once you know how to make pesto, your recipe possibilities multiply exponentially. For a subtle spin on tradition, make our go-to recipe, which swaps walnuts for pricey pine nuts. Other solid options include a nasturtium-based spread and grassy-green spinach pesto. Keep things simple and set it out with crackers at your next party, slather it on sandwiches, toss it with pasta, or drizzle it on pizza. It's also an excellent addition to pasta salad.