Can I put royal icing snowflakes and hard candy shards on top of buttercream icing one day ahead or will the buttercream dissolve the royal icing and hard candy?

  • I am not familiar with royal icing, but the hard candy should be fine. It might bleed slightly into the icing immediately touching it but that shouldn't even be noticeable. Apr 12, 2015 at 19:57
  • isn't royal icing just water and powdered sugar? I don't see a problem especially if you store it at a cool temperature.
    – Chef_Code
    Apr 13, 2015 at 7:29

1 Answer 1


I think you'll be fine. I had some buttercream frosting left over from answering a previous question and did a simple test not long after you asked this question (about 16 hours ago).

I put a dish of frosting into the fridge with small royal icing and sugar/starch based decorations on top and I left a similar dish at room temperature. I pushed the decorations firmly into the frosting.

The decorations retained pretty much all their crunch. They didn't leak any of their bright coloring into the frosting either; not that that would be a problem if you're decorations are snowflakes. I'm not sure whether the opposite would be a problem, i.e. if your frosting is brightly colored and your decorations are white.

You can judge for yourself whether the ingredient proportions I tested with are comparable to yours by checking the answer I linked to above. You may see different results if the proportion of wet ingredients in your recipe is much larger.

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