Rainbow Swirl: paint food coloring inside bag, then fill with icing. It will "stripe" the icing as it squeezes out - try it in any color combo! Rainbows Frostings, Ideas, Frostings Techniques, Rainbows Swirls, Cupcakes Frostings, Cake Decor, Rainbows Ice, Popular Pin, Swirls Frostings
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This frosting is Martha's 'Seven Minute Frosting' which seems to be a staple for her. After seeing her make it a lot on air and finding it in most of her recipes, I decided to give it a go. Not hard to make and it has a nice look on cupcakes because it comes out very glossy and shiny. It kinda tastes like marshmallow fluff mixed with whipped cream.
Tutorial: Easy Frosting Technique (website starts in another language then switches to English version)