Ghostbusters Slime Cupcake

 

I made Ghostbusters Ectoplasm Filled Cupcakes with my friend Jake! A classic white vanilla cupcake topped with a delicious marshmallow cream frosting!

Yield: makes 12 cupcakes

 

Things you'll need

Ingredients for the cupcakes
  • 1 white box cake
  • 1/3 cup vegetable oil
  • 3 egg whites
  • 1 1/4 cups water

Ingredients for the Ectoplasm Green Slime

  • 2 eggs
  • 2/3 cup lemon juice
  • 3/4 cup sugar
  • Green food coloring
Decorations
  • Cookie icing: red, white
  • Black food pink pen
Equipment
  • Hand mixer
  • Muffin tin
  • Cupcake liners
  • Strainer

Let's get started!

  1. Preheat the oven to 350.
  2. Line the muffin tin with cupcake liners.
  3. In a large bowl, add the cake mix, egg whites, oil and water and mix well until well combined.
  4. Fill the liners about 2/3 full.
  5. Bake in the oven for 17 minutes. Let it cool completely.

Make the Ectoplasm Green Slime

  1. Place the sugar and lemon juice on a medium saucepan and whisk over low heat.
  2. In a medium bowl, add the eggs. 
  3. Slowly pour the hot lemon mixture into the eggs while mixing continuously.
  4. Pour the entire mixture back into the saucepan and cook over medium heat.
  5. Add 6 drops of green food coloring and stir constantly until the mixture starts to bubble and thicken.
  6. Strain the mixture into a small bowl to remove clumps. 
  7. Place in the fridge for 2 hours then transfer to a squeeze bottle.

Make the decorations

  1. Place the template on a flat surface.
  2. Place a piece of wax paper on top.
  3. Scoop the cookie icings in a decorating bag fitted with a #1 tip.
  4. Trace the decorations starting with the red icing.
  5. Wait 10 minutes before adding the next color to avoid bleeding.
  6. Use the edible marker to draw the face details.
  7. Let it harden at room temperature.

Time to decorate!

  1. Make a hole in the center of the cupcake using the large end of a piping tip.
  2. Fill the center with the green slime.
  3. Scoop the marshmallow cream frosting into a decorating bag.
  4. Pipe a generous mound on top.
  5. Drizzle a little bit of the slime on top.
  6. Place the icing decoration on top.

 

 

 

Written By Rosanna Pansino

Rosanna Pansino Merch