"This recipe makes just enough to garnish Virginia Willis's Gluten-Free Light Lemon Cheesecake tartlets (see related recipe), but it's easy to double or triple the amount. You won't need more to change the amount of syrup; just the amount of lemon zest and the amount of sugar for a final coat. Make Ahead: The zest can be stored in an airtight container for up to 1 year...."