Rivsalt -Freeze & Serve - Himalayan Salt Plates FREEZE & SERVE includes four himalayan salt plates, which turn any starter or dessert into a RIVSALT gastronomic experience. to use, simply pop the plates into your freezer for a couple of hours and take them out again just before serving. the plates have one flat side; great for starters like sashimi, tartar or salad, and another side with a rounded cavity; perfect for desserts like vanilla ice cream with grated raw LIQUORICE. In Michelin 2-star restaurant, Vila Joya in Albufeira Portugal, FREEZE & SERVE plates are used to exquisitely present butter. How to freeze & serve Freeze the plates for 2-3 hours. Take out just before serving. After using, wipe clean with a sponge using as little water as possible and no detergent. Dry with a kitchen towel. Leave to dry for at least 12 hours before placing back in original packaging. Store in low humidity conditions.