Just Jenn Recipes

Rainbow Cake how-to


This is the happiest little cake Darth Vader has ever seen. Why I combined rainbows and Darth Vader for the Kid’s birthday, I don’t know – doing a dark chocolate would be too easy, right?? But the Kid LOVES Star Wars and hey – he’s 6, so let’s celebrate! A perfect cake for the dark lord in all of us. This was fun and tasty and I love that the candle is a lightsaber, hilarious!

ingredients:
white cake batter
(this Very Vanilla Cake works well – if you decide to use box mix, UGH, just don’t tell me, I don’t want to know.)
5 different colors of gel food coloring

buttered pan sm

Preheat your oven to 350 degrees. Prep two round cake pans by lining the bottom with parchment and buttering right on top of it, doing the sides of the pan as well.

gel dye

batter dyed sm

I used the Very Vanilla cake recipe and divided the batter into 5 small bowls. You should get about 1 cup in each bowl. I dyed each of the bowls of batter a different color. Gel dye is the best because you need very little of it.

What you are going to do is make two round rainbow cakes, so the batter will be divided equally into two pans – follow? Probably not, that’s why I tried to take pictures. Let’s just hope for the best.

batter layers sm

Now pour HALF of one bowl of batter – let’s say blue to start – right in the center of the first pan. The rest will go into the center of the second pan.Then take the second bowl, green, and pour half of that RIGHT into the center of the blue. Go on, don’t worry. The batter will spread all on it’s own. IT’S LIKE MAGIC. Or not. Then take the orange, pour half THAT right into the center of the previous color, and so on and so on.

Eventually you will have TWO pans of cake batter ready to roll that look like this:

batter sm

Bake for 18-20 minutes depending on your oven, until your cake comes out nice passes the toothpick test perfectly. Let cool in pans, then invert onto a wire rack to cool completely.

rainbow cake pre frost

They look like targets, but when you slice into it, trust me, it will all come together. I stacked the two cakes (with frosting in between, of course) and I just frosted this with a tinted blue vanilla buttercream.

white chocolate balls sm

Just for kicks and cause the Kid loves them, I and added a few Godiva White Chocolate Balls around the edges. If you want to see how SUPER EASY it is to stencil lettering onto a cake (for all of you scared of fondant) go HERE.

Darth Vader LOVES rainbows. I’m sure your kids will love this cake too.

*How I frosted the lettering in the Star Wars font (it was easy): Stencil Lettering how-to, here.

my cake

inside the Rainbow Cake sm

Darth Vader cake sm

inside the Rainbow Cake sm
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Rainbow Cake how-to

Ingredients:

Instructions:

16 Responses to “Rainbow Cake how-to”

  1. Bully says:

    This. INCREDIBLE.

  2. Shari says:

    Again..your kids=Lucky kids!

  3. SAJ says:

    I love the window sill of Pez!

  4. Rose says:

    So freakin’ cool.

  5. Valerie M. says:

    What kid wouldn’t love that cake!

  6. Lori says:

    What ADULT wouldn’t love that cake?

  7. JediMelindaW says:

    Incredible! And I bet that’s how it tastes, too! :-)

  8. Stephanie says:

    I made this cake this weekend!! It turned out really well. The top of the cakes weren’t as bright as yours (mine turned out brown on top) but when we sliced into it the colors looked fantastic. We had only 4 colors (from the neon liquid food coloring box) since our grocery store doesn’t have gel food color.

    The cake was a huge hit, everyone thought it took forever to make!

  9. Anne says:

    Simply best Rainbow Cake recipe. this looks delicious. I will tried it.

  10. Lindsey says:

    Thank you so much! I have been looking for a cake to make for my daughter’s birthday…instead of Darth though Im just going to go with a number 2 candle and some skittles for decoration. this is by far the best cake I have seen! at least the insides!

  11. Lindsey says:

    So does the liquid work too? I cant find gel in my town either

  12. justJENN says:

    @Lindsey
    Liquid works, I’m just not a fan of it. It adds, well – liquid which can sometime make things runny if you are going for a certain color. Gels get the color right with very little.

  13. Willow says:

    This recipe is so awesome. I made it twice to celebrate my son´s birthday. First with family and friends and it´s true adults also love it!!! And then I made it for him to take it to school…the kids were amazed!! They were all saying that it was a magic cake!
    Congratulations, it´s simple, it´s original, it´s great.

  14. Becky says:

    Hi Jenn,
    I would like to know what size your 2 round cake pans are for making this rainbow cake.
    I actually don’t own any round ones, so I thought I would buy a couple, but I want them to be the right size.
    Thanks,
    Becky

  15. justJENN says:

    Hi Becky,
    8″ or 9″ rounds will work just fine. Have fun!

  16. Sonali Bala says:

    I suspect youll like these keen bits of info.

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