- Bake a cake in a well-greased 2-qt glass or metal mixing bowl.
- Frost the cake with white frosting.
- Draw an eye using blue or frosting. You can use a glass to make a circle shape in the white frosting.
- Fill in the pupil of the eye with black frosting or use a circle made from construction paper. I used a mini-Reeses wrapper.
- Use red gel frosting to trace blood vessels in the white of the eye.
- Bake a lemon or yellow cake in a well-greased 2-quart glass or metal mixing bowl.
- Decorate the cake using pale yellow (brain-colored) frosting by squeezing frosting in a pastry bag through a round decorating tip.
- Make thick back-and-forth brain grooves (called sulci in case anyone asks).
- Use red gel frosting to trace blood vessels on the brain or else use a clean pastry brush and red frosting to draw more gruesome blood.
- Bake a red velvet cake in a mixing bowl.
- If you have access to dry ice, you can hollow out the top of the cake to accomodate a small cup and frost all around the cup. When it's time to serve the cake add hot water to the cup and drop in a bit of dry ice. If you don't have access to dry ice you can use lava-colored fruit roll-ups to simulate an eruption.
- Frost the cake with chocolate frosting or swirl red and yellow food coloring into vanilla frosting.
- Use orange frosting to make lava running down the sides of the cake.
- Sprinkle red sugar crystals onto the orange lava.
- To make a fruit roll-up eruption, fold two lava-colored fruit roll-ups in half and re-roll them. Set them into the frosting on top of the cake.
You can decorate any cake with mathematical equations and scientific symbols. A round cake could be decorated as a radiation symbol. A sheet cake could be made to resemble a chalkboard.
