I would like to make a couple of dummy cakes using styrofoam. I would like to make one using buttercream and one using fondant? What buttercream recipe would you suggest I use so the frosting gets hard? Any suggestions or tips using fondant? Any help would be greatly appreciated. Thanks.
I really don't know what others do but personally I made a dumby cake a few years ago and instead of buttercream I used a lightweight spackle from Home Depot and frosted it....then I can just remove decor and redo it and reuse it many times over and over, a little sand down and that is it and it will never go bad, maybe a little dusty though 
Using fnodant on the dummy tiers should just be used as normal, I would use the Wilton stuff if you can since it seems to set up a lot harder than Satin Ice.
I would just add more Meringue Powder to the buttercream, although depending on how long you plan to keep the dummies out, a lot of people use royal icing to get the really hard shell.
Does anyone else have more tips? I have only covered a dummy tier once and it was for a wedding, not to keep.
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