louglou Posted 15 Oct 2013 , 11:28am
post #1 of

I'm making a rainbow cake for my daughter's 4th birthday. The inside is a surprise for her but the outside is going to be fondant flowers, grass, butterflies and a rainbow on sky blue buttercream. The cake itself is just a plain vanilla sponge and although it tastes OK it's a bit boring.

What flavour should I make the buttercream so that it tastes as good as it looks?

3 replies
FrostedMoon Posted 15 Oct 2013 , 1:59pm
post #2 of

My rainbow cakes are becoming pretty popular for my business, and I typically use my vanilla buttercream between the layers.  I do use a variety of vanilla flavors in my frosting, including a high quality vanilla extract, so the vanilla flavor is anything but boring.  However, if you want a flavor other than vanilla that keeps the frosting white, you could do white chocolate, or add extracts or emulsions that don't change the color a lot, like adding orange emulsion to vanilla buttercream for a dreamsicle flavor, or rasberry extract, or lemon extract, etc etc.  Now that I think about it, I've sometimes included pink as part of the rainbow, so you could also do something like strawberry or rasberry flavored buttercream.  I tend to stay away from fruit fillings for the rainbow cakes because in my opinion having that strong color filling as you cut detracts from the rainbow effect.  

mfeagan Posted 15 Oct 2013 , 6:10pm
post #3 of

I like the idea of the white chocolate buttercream. I have made this recipe several times and it is AMAZING! I could just eat it out of the bowl! haha!

 

http://comfortablydomestic.com/2011/06/28/white-chocolate-buttercream/

Rosie93095 Posted 15 Oct 2013 , 7:54pm
post #4 of

I made on last weekend and I used SMBC, but I colored the frosting to match each cake layer color so when I used it as filling and it came out great. Woodland bakery has a great tutorial on this.

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