Packing for a picnic seems easy enough―just throw a bunch of things into a basket and go, right? Not quite. Because nothing is worse than being stranded in the middle of a field without an essential, like a knife (or, more importantly, a wine key). With that in mind, we asked Chopped judge Chris Santos, who helms the kitchen at N.Y.C. hotspot Vandal―and will assemble over 16,000 bespoke packed meals at Governors Island this weekend for PINKNIC, the first-ever rosé-themed picnic and music festival―for tips on how to picnic like a pro. Scroll through below for his six al fresco essentials.