I’m going to skip the fluff and get right to the recipe.   After all, that’s what you came here for, right?   Not some long drawn-out explanation of why and where, and all that stuff that so many blogs have.  My family has used this recipe for years and years, and years…and it has always turned out and made our gingerbread house making parties a success!  How to Make Royal Icing  3 Egg Whites  ½ teaspoon Cream of Tartar  1 16 oz bag or 4 cups of powdered sugar   If you have an icing bag, you can use that, or put the icing into a quart Ziploc bags,…