Preparation Combine all the ingredients in a bowl and mix well to combine. Store in a glass jar with a tight-fitting lid. Kept in a dark, cool place, the mix will stay fresh for 1 year. Cooks' NoteIf mace is unavailable, substitute an equal amount of ground nutmeg. From Classic German Baking: The Very Best Recipes for Traditional Favorites, from Pfeffernüsse to Streuselkuchen © 2016 by Luisa Weiss. Reprinted with permission from Ten Speed Press, an imprint of Penguin Random House. Buy the full book from Amazon.