<<Disclaimer: Verify this information before applying it to your situation.>> The answer is, yes, it is powdered sugar. I used a variation on a Betty Crocker recipe for chocolate frosting and it came out great! I got a very nice personal message from Glutino, as well as many helpful messages from many other people. Here's part of the message from Glutino company: ... Many icing sugars have fillers that containing Gluten, this icing sugar is 100% pure and therefore, safe. The recipe is: 1/4 cup of Crisco or butter 2 cups of icing sugar a bit of vanilla add water until desired texture For a very fluffy icing, beat for a few minutes. -Debbie