If knowing that Costa Coffee and M&S Food have tied the knot has got your tastebuds tingling, you know what to do. Pop in store and tuck in! Pair your favourite hot drink with an M&S BLT Sandwich, a super tasty M&S Hoisin No Duck Wrap, a simply savoury M&S New York Deli Pastrami Sandwich, plus plenty of other snacks that will keep you going throughout the day.