Hi Stephanie,
You can layer the ingredients but the instructions will need to include "shake ingredients together before using" The label should include how to make one serving as given in the original recipe(s). Here are more recipes for you in case you didn't see them:
Flavored Coffee Mixes (19) Board: Cooking Club at Recipelink.com
From: Betsy at Recipelink.com 2-27-2003
MSG ID: 0064835
MSG URL:
http://www.recipelink.com/msgid/0064835Happy Holiday Cooking!
Betsy