These creamy peanut noodles are your new go-to lunch: Udon or other noodles are tossed with a spicy sauce made from peanut butter, lime, soy sauce, and optionally sriracha. Add fresh herbs, cucumber, and a protein source of your choice. In 15 minutes, you have a warm, filling meal on the table that's full of flavor and can be customized to your liking.