Storage & Make-Ahead: – Tortellini can be cooked up to 2 days in advance and stored in the refrigerator in an air tight container. – If meal prepping, this salad can be mixed ahead of time, leaving out pesto and oil until ready to eat to prevent wilting. Store leftovers in an airtight container in the refrigerator for up to 4 days.Some wilting may occur after dressing this salad and is generally fine to eat as long as there are no strange smells or slimy textures. As always, use your best judgment when consuming leftovers.