Absolutely, I do this all the time, especially when I have leftovers at Christmas. There are so many uses for Stilton, from a steak, onion and Stilton sandwich to a broccoli and Stilton soup and pear and rocket salad. Simple cut into portions and wrap in cling film or foil. I prefer to wrap in baking parchment first. Freeze the Stilton for up to 3 months. Cheese often becomes crumbly when frozen, so thaw it overnight slowly in the refrigerator if you want to slice it.