Slice the goose breasts into roughly 1/4 inch thick strips. Mix remaining ingredients well in a large bowl. Put the meat into the marinade and massage it all around to coat evenly.
Remove the goose and pat dry with paper towels. Either follow your dehydrator's instructions for making jerky or lay the strips on a wire rack set over a cookie sheet. Set the rack in an oven set on Warm until the meat is dried out, but still pliable, about 6 to 8 hours. Store either in the fridge indefinitely, or at room temperature for up to 1 month.