January 19, 2015

Erupting Volcano Cake

Today I’m finally sharing Spud’s birthday cake from back in August!  I have absolutely no idea why I didn’t share it then, but at least we get to enjoy some warm weather photos in the middle of winter!

For his 4th birthday, Spud wanted an Erupting Volcano Cake with Dinosaurs.  Yep, he was SUPER specific!  I went back and forth for awhile about how exactly I was going to have that volcano erupting.  I kept imagining Junior High Science Fairs with baking soda and vinegar!  The problem, of course being that that would ruin the cake!

Eventually, I decided to use candy melts!  I melted some red and orange candies and spread them out on silicon mats to dry.  Once they were solid again I just stuck them into the top of the volcano!

But that’s not all – I needed this cake to make an impact when it was cut!  I needed magma!

So, I used a batch of Rich Chocolate Cake and spread a bit more than half into a 9x13 inch pan and a bit into a small batter bowl (reserving an additional ¾ cup of batter (or so).  Then, I whipped up a White Almond Sour Cream Cake, split it in three and tinted it yellow, orange, and red.  Then I scooped those colors on top of my chocolate cake, adding the reserved chocolate batter to cover the colors on the volcano part. 

After they were baked and cut, I got these stunning magma layers inside the cake – the kids went nuts over it!


  1. What type of pan did you use for the volcano?

    1. I used a small Pampered Chef Batter Bowl

  2. Can you please explain in more detail about how to get the magma on the volcano part of the cake?

    1. Do you mean on the inside or the eruption?

      The inside was a bit of a fluke - I'm not entirely sure I can replicate it.

      The eruption was made of candy melts. After I melted them, I spread them on a silpat and let them harden, then I pressed them into the cake.


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