I'm trying to make a cake for my husbands birthday. His family normally eat tres leche cakes to they find  that typical American icings are too sweet for their taste. Some of my family don't lle tres leche cake but don't like buttercream either. What would be a good middle ground for a cake? What icing can I make that's not to sweet but still tasty?

a meringue buttercream (tons of recipes for these)

like a swiss mernigue buttercream

or an

italian meringue buttercream

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then there's several french types of buttercream

this is a very good one

http://www.wilton.com/recipe/French-Buttercream-Icing-1

AOk thanks ill look into those. I haven't made a a Swiss meringue buttercream in about 4 years. I've heard of tres leche being toped wih meringue so this should be a good middle ground . Thanks again