This is slightly off topic, as it's not about a holiday menu, but it is Christmas and food related.
I'm planning on a smallish tree decorated primarily with dehydrated pretty slices of lemons, limes, kumquats, blood oranges, and tomatoes (and popcorn garlands). My question is what else can I do with the butt ends of the citrus fruits beyond stashing them in vodka for a spell? Tomato ends will go into a salsa, and assuming that I buy (small) bags of citrus any non-decorative slices with be salt preserved, but what about the pithy end pieces?