Question: How to preserve whole grapes.
Option 0: Wash grapes well in cool water, pat dry with a towel, spread into even layer on baking sheet and place in freezer until frozen, then place in freezer bags for up to 6 months.
Option 1: Wash grapes well in cool water, pat dry with a towel, spread into even layer on baking sheet and place in the oven until frozen, then place in freezer bags for up to 6 months.
Answer: 0