Hi
I covered a cake yesterday and it has some cracks in the fondant.
I've seen on duff where they use royal to fill in cracks, but i recently took a class with elisa strauss where she mentioned a method where you take fondant mix it with liquid to form a paste and use it to fill in the cracks - but she didnt go into details due to time. Is anyone familiar with this method?
Ditto to tlreetz for small cracks. If I have hairline cracking (I get this quite a lot with green fondant) I keep rubbing the fondant and if that doesn't work, smooth some white fat over it.
What you are describing is creating a fondant gunge. I've never used it to hide cracks, but will often use it at the base of the cake if I want a perfectly smooth join between the cake and the tier below or the cake board, so I can imagine how you'd use it on cake cracks. You're basically just trying to make a paste from the fondant by mixing it with a bit of water until it's gunky but not too liquid and then you smooth it on.
What you are describing is creating a fondant gunge. I've never used it to hide cracks, but will often use it at the base of the cake if I want a perfectly smooth join between the cake and the tier below or the cake board,... You're basically just trying to make a paste from the fondant by mixing it with a bit of water until it's gunky but not too liquid and then you smooth it on.
Trying to dumb it down for me 
.... is this similar to like putting grout or caulking between tiles in the bathroom?
Yep, exactly. If you see a photo of a tiered fondant cake without any border (e.g. balls, piping, ribbon etc) at the bottom of each tier but looking perfectly smooth, it's likely they've used gunge. You'll always have a bit of a rough edge or obvious join without some sort of border, so to hide it you can take some fondant, mix it with a bit of water and then smooth it along the bottom of the tier and the cake board/next tier. It gives you a nice, smooth, non-visible join.
thanks everyone for this information, i usually get cracks in my fondant and never can get rid of them completely, crisco does not work for me. i cant wait to try this technique, sounds pretty easy! i was wondering i sometimes get seams on the bottome of my cake from too much fondant can i cover these up with this gunge also?
thanks everybody
Yep, exactly. If you see a photo of a tiered fondant cake without any border (e.g. balls, piping, ribbon etc) at the bottom of each tier but looking perfectly smooth, it's likely they've used gunge. You'll always have a bit of a rough edge or obvious join without some sort of border, so to hide it you can take some fondant, mix it with a bit of water and then smooth it along the bottom of the tier and the cake board/next tier. It gives you a nice, smooth, non-visible join.
Thank you so much ,this is very valuble information.
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