Frostings made without it are usually exceptionally smooth; powdered sugar sometimes comes across as a little chalky. This is because at least some brands add cornstarch to the powdered sugar.
Anyway, here are some creamy, fluffy, dense, or fudgy frostings you can make without using powdered sugar: Enjoy!
Chocolate Blender Frosting- or caramel, coconut-chocolate, hazelnut-chocolate, and more!
version made with milk chocolate chips
Cheesecake Cloud Frosting
Blueberry Cheesecake Cloud Frosting
Strawberry Cheesecake Frosting
Cherry Cheesecake Frosting
The frosting in the photo above is Apricot Cloud Frosting: use pureed apricots in place of the pureed blueberries, also add 1-2 tsp. almond extract.
Cooked Frosting (the no-Ultra-Gel version of Cloud Frosting)
Stabilized Whipped Cream Frosting (doesn't go runny)
Ganache(may be whipped)
Seven-Minute Frosting- includes variations for Peppermint Frosting, Seafoam Frosting, Strawberry Fluff Frosting, and Chocolate Fluff Frosting.