For my son's upcoming 6th birthday party, we're thinking of a "fire and ice" or "exploding" theme--TNT graphic on the invites, liquid nitrogen ice cream, replacing parts of standard birthday games with more exciting things (I could use help on that too) and I'd love to surprize him with a volcano cake. Here's my idea so far, and I'd appreciate any help on refining/turning it into reality:
Chocolate cake, in a general cone/mountain shape
We have plastic molds from a kit to make a plaster of paris volcano, but I'd have to figure out a way to prevent them from melting in the oven (an adaptation of lost-wax technique?) Alternately, I could use increasingly small round layers to create a terraced mountain, and perhaps chunk out a few boulders when it's finished.
Besides the appearance of the cake, I should consider how the batter will bake in a cone-shaped volcano mold. Any suggestions?
Red/yellow/orange icing "lava" streaming down the slopes, perhaps green around the base, being covered up by the flow of "lava". There is, of course, an array of colored icing available, but I try to avoid prepackaged colored, flavorless influences. I could go half a step up and use food coloring in basic buttercream or cream cheese frosting, but any ideas for bright and tasty "honest" frosting (ie: the taste and color are from the food, not additives) would be much appreciated.
Figures from the above-mentioned volcano kit will all be fleeing the disaster.
Sparklers for candles
"Caution" sign that says "Happy birthday Isaac! I lava you"
Are your volcanic creative juices flowing yet? I'm looking forward to the onslaught.