Yes, this recipe holds up very well to freezing. to freeze: Cut the tiramisu into individual, square pieces, then place the pieces of tiramisu in a baking dish or on a large baking sheet with space between them.  Place in the freezer until hardened (about 3 hours).  Wrap each piece individually in saran wrap and then put them in an airtight container.  Freeze for up to 2 months.  To thaw, transfer the tiramisu to the refrigerator until it is soft, then enjoy.