Make a Marble Mirror Cake

Mirror mirror on the wall, which is the fairest cake of them all? This reflective cake will catch all the eyes of your guests at a party, family gathering or any special occasion!

Ingredients

  • 1 box of cake mix of choice
  • 10 ⅔ Tsp of unsalted butter, melted
  • 1 cup of milk
  • 4 eggs
  • 16 ounces of powdered sugar
  • 1 cup of unsalted butter
  • 7 tsp of vanilla extract
  • 2 packets of unflavored gelatin
  • ⅓ cup of water
  • ⅓ cup + 1 ½ tsp of water
  • 1 cup of granulated white sugar
  • ⅔ cup of corn syrup
  • ½ cup sweetened condensed milk
  • 1 ¼ cup of white chocolate chips
  • Food coloring of choice (preferably gel)
  • Pearl or luster dust (optional)

Steps

Making the Cake

  1. Preheat the oven to 350 F. Beat the cake mix, butter and milk on medium-high speed. Add in the eggs one at a time until fully mixed. Then, beat on high for two minutes.
  2. Pour the mixture into a greased 9 inch cake pan and smooth out the top with a spatula. Knock the pan on the counter 2 or 3 times to get any excess air bubbles out.
  3. Place the cake on the top rack of a preheated oven for 50 minutes. Once done, cool on top of a wire rack for 45 minutes.
  4. Once cool, evenly slice the cake in 2 layers and prepare it for the buttercream.
  5. Make the buttercream. Beat the powdered sugar, butter and vanilla extract together in a medium bowl until smooth.
  6. Put half of the frosting made in the middle of the two layers.
  7. Add a thin crumb coat around the entire cake with the buttercream. Place it in the refrigerator for 20 minutes.
  8. Add a final coat of buttercream with the remaining frosting. Place in the refrigerator for an additional 30 minutes.

Making the Glaze

  1. Bloom the gelatin in the 1/3 cup of cold water. Allow it to sit for 3 to 5 minutes. Blooming is a technique that allows the gelatin to slightly dissolve in the water so it will dissolve faster when heated up.
  2. Boil remaining water, sugar and corn syrup in a small saucepan over medium heat until fully dissolved. Remove from heat and add in gelatin.
  3. Add the condensed milk to the mix and pour the entire warm mixture over the white chocolate. Allow this to sit for 5 minutes before mixing.
  4. Carefully stir and allow it to get to 32C/90F. Check with a candy thermometer.
  5. Divide your glaze into bowls and color with gel food coloring. Make sure to work quickly because the glaze needs to stay at 32C/90F to make it easy to pour.

Glazing

  1. Cover a baking sheet with parchment paper for an easier clean up. Place the cake on an elevated surface, using a large glass or an elevated cake stand; this will allow the excess glaze to fall off of the cake easily.
  2. Marble the glaze. To do this, pour the main color over the entirety of the cake. Then, immediately pour the secondary colors directly on top.
  3. Use a long offset spatula and hold it level to the top of the cake. Quickly swipe it across to remove any excess glaze and air bubbles.
  4. Let the cake sit for 20 minutes before moving to a serving board. While it is setting, you can add some pearl dust to add a sparkling shine.
  5. Once set, cut, serve and enjoy a cake with a beautiful mirror finish!

Tips

  • If you have an immersion blender, you can also use that the stir up the glaze, instead of doing it by hand.
  • You can use a meat thermometer in place of a candy one to check the temperature of your glaze mixture.
  • Feel free to use your choice of any cake or frosting recipe.

Warnings

  • Making the glaze takes time. Be sure to stir constantly and remain patient while waiting for the glaze to cool down to the correct temperature.

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