I love these kind gifts and have always wanted to give them myself, but couldn't find the recipes to know how much to actually fill the jar with. Well at Domino Sugar they have a few simple recipes for you and even have a tag you can print out to put on the jar, which gives the recipient the directions for making the scrumptious mix. I am thinking about trying there today. I'll let you know how they go
I found out about these from here.