I am "attempting" to make a cake that looks like a peanut butter cup. I have mad it with a 10" round cake 3" high. I was going to freeze it for a little bit and then turn it upside down and slightly taper it to make that look of the peanut butter cup. Now the hard part. I really don't know how to make the ridges on the sides except for just carving away with a knife (is there a better way??) Then I was going to ice the ridges and flip back over and cover the whole thing in chocolate Satin Ice Fondant.
Does all this sound like it will work? Or am I going about this the long hard way?
Thanks
It sounds really hard to me, but I am pretty inexperienced. I have a "cake comb" that I use to do "pages" on a book cake. I'd think you could frost it and then use that, but then you couldn't cover it in fondant, I guess. I guess it just depends on the look you want. I also wonder if the ridges would show with all the frosting and fondant the way you are describing it. They might-- I just don't know enough. Good luck.
I wouldn't carve the cake. Those ridges would be so small that getting even a thin layer of fondant to take shape would be difficult.
I would apply a slightly thicker layer of BC under a slightly thicker layer of rolled fondant, then I find something with a hard edge and a right angle and emboss the ridges in, instead.
Theresa 
You can also go to the craft store and look in the wood section for the thin strips of wood, near the dowels. At AC Moore, they sell square dowels, just around the corner from the display of round dowels.
Now, before someone gets their knickers in a twist --
You cut the piece of wood to a good size for handling. Then you dip it in paraffin wax, to seal it and create a barrier between the wood and the cake, because that wood is not food-safe.
Then you use the corner edge to do the embossing.
Oh, and with that trowel idea - if you get something like that, make sure it is stainless steel.
Theresa
Thanks all. They didn't ask for fondant (that was my idea to make it easier) so maybe since I won't be carving the ridges. I'll just put an extra thick layer of icing and use the comb thingy to make the ridges.
Appreciate all the info and will definitely keep all your suggestions for future projects.
I really don't know how to make the ridges on the sides except for just carving away with a knife (is there a better way??)
Thanks
This rolling pin will do the job easily.. I love this thing..
http://www.globalsugarart.com/product.php?id=17420 I just made some mini cakes and did the sides exactly like what you want; just cut the sides as a strip and cover the sides separately, leaving a tiny bit over the top to look like the real deal.... hope that makes sense.. I can post a picture later if you want.....
I have an impression mat which has ridges on it, that would probably work. I got mine from Country Kitchen.
http://www.countrykitchensa.com/catalog/mini.aspx?T=1&ShopId=38&CatId=527&SubCatId=1327
I made a giant peanut butter cup for a grooms cake. You can see it in the gallery under sculpted cakes on my website, www.poshpastry.com . I did the ridges after it was covered in fondant.
It was frosted, then covered in melted chocolate.
I am actually doing a reese's cake this weekend too. It will be my first. I can't decide if I will make it 'in the wrapper' or just the PB cup itself. I will prob do the cup itself so that the taste wont be thrown off with fondant or anything not milk chocolaty tasting. I am going to make a thick peanut butter filling and then most likely do 'painstakingly-tedious-repetitive-one-at-a-time-lines' pressed in with a 'ruler' or something like that around the sides.
I'm doing mine with a 1 inch layer of chocolate cake, peanut butter cream filling, 2 inch layer of peanut butter cake, peanut butter filling, 1 inch layer of chocolate cake. Then I'm icing it in chocolate fudge icing, doing the sides with chocolate fondant and using melted chocolate on the top (poshcakes inspiration). I will probably make the fondant higher on top and cut it with a large pair of zigzag scissors and then use a triangle ruler to impress the sides with the same cuts. I hope it works out as easy as it sounds in my head. Good luck with everyone else's PB cakes.
I am doing mine totally different. I thought about using fondant but I'm afraid I will screw it up basically haha. Good luck to you on yours. I am doing 2" bottom layer dark fudge cake and a thick layer of peanut butter filling ( taste like the reese's stuff!) and 2" top layer of the same dark fudge cake. I shaved down the sides so it resembles the right shape. I am using chocolate buttercream to ice it then going to use a jagged edge ruler to run some lines up the side and haven't figured out just yet what I'll do to make the point edges but I hope I think of something quick. Then I'm going to aribrush the sides black so it looks like it's in the 'paper sleeve thingy'. This cake needs to be done by 10 am and I have a ways to go tonight on it. To top it off..I'm going to use the Reese's magic shell chocolate over the top. I will post pics when I'm done. I hope to see yours too!
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