I have a new dehydrator that I'm looking to use to replace some of my unhealthy quick snacks with better alternatives. To that end, I think I've found a great base for alternative-snacking in dehydrated mushrooms--they have a mild, earthly flavor that could work great as low-calorie comfort-food with some spice or barbecue added to it. I'm currently experimenting with making my own rubs for my mushrooms, but I'm stymied when it comes to marinating mushrooms before putting them on the racks.
Most recipes I see for marinated vegetables utilize oil, and my understanding is that oil does not work well in dehydration. Calorie concerns notwithstanding, the oil itself will not dry and thus the results will require refrigeration and have a short shelf-life. I'm really looking for something I can toss in the pantry to be eaten later when I feel like a snack without having to worry about it going bad, so this is a non-starter.
Should I worry about oil spoiling my vegetables? Is there a good way to substitute a drying-friendly alternative for oil in recipes I find?