DIY, Lifestyle

Galaxy Mirror Cake

My sister in law is staying with us and we just celebrated her birthday by baking her an awesome cake! If you haven’t heard of mirror cakes before, they are just a normal cake with a top coat of gelatin mixed with a couple other things to create a mirror like effect. Check out below to see my how to.


Galaxy Mirror Cake


  • A box of your favorite cake and ingredients needed to bake it, I used a blue velvet cake from a box, you can also make your cake from scratch
  • Frosting, I did two layers on this cake with a cream cheese frosting.
  • 2/3 cup sweetened condensed milk
  • 1 & 1/2 cups sugar
  • 1 cup water
  • Food coloring of choice, you do not have to make it into a galaxy it can be whatever color you want.
  • 2 cups white chocolate chips
  • 2 Packets unflavored gelatin

How to:

Once you have baked your cake and let it cool, you need to frost it and set it into the freezer, when you put the glaze on the cake you do not want it to be warm at all.

First step is to put your gelatin in 1/4 cup water to get it to bloom, you will just set this aside for now.

Add your remaining 3/4 cup water, condensed milk,and sugar into a medium sized sauce pan and stir together over medium heat. Once this begins to boil take it off of the heat and mix in gelatin until dissolved and pour in all of the white chocolate chips. Stir this until it all has melted and then strain into a bigger mixing bowl.  Straining it just makes sure you do not get any chunks of un-melted chocolate into your glaze.

Grab your food coloring, I used black, Neon pink, Neon Blue, and Purple, I also left a little bit of plain glaze to add in some white.  The colors will be more vibrant if you add in white food coloring, I didn’t have any so my cake is made without white food coloring.  Separate glaze into different bowls so you can mix all of your colors.

Now dump each color into the bigger mixing bowl, and lightly swirl the mixture do not fully combine.  I also left out a bit of each color so I could tweak what the cake looked like in the end.

Make sure your glaze has reached a temperature of 85 degrees so that when you pour it on it is not too liquid and not too solid.  If it gets too cold you can zap it in the microwave to get it up to temperature.  If it is too hot it will not work, and obviously if its too cold it will be solid so it wouldn’t work either.  The key is to hit that 85-90 degrees and pour it on then.

Now your ready to glaze your cake, grab the cake from the freezer and put a sheet pan or anything to catch all the extra glaze that falls. You will also want the cake resting on something that allows you to move the cake easily such as a small bowl.  The fun part now begins where you actually get to glaze it and watch mesmerized as the colors blend together.  You take your big mixing bowl and dump the glaze all over the top of the cake until it drips down and covers all of the side.

You can decorate the top with edible glitter, sprinkles or whatever you want! I used some clear sprinkles and some star shaped sprinkles.

Let your cake drip until the gelatin has set up all of the way, Now you can move your cake to a cake stand and its ready to eat.  If it makes it through dessert make sure to store the cake in the refrigerator.


Mirror Cake



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