Last updated on April 15th, 2025
These Rainbow Cupcakes in a Jar are what I call happiness in jar…they’re so cute and make the perfect thank-you gift for teachers or kid’s parties. I used 2 boxes of cake mix to make these which made the process very easy – glam looking cupcakes without the fuss!

Rainbow Cupcakes in a Jar
Prep Time: 20 minutes
Cook Time: 10 minutes
Total Time: 30 minutes
Yield: 7 jars 1x
Description
A treat for the eyes as well as the tummy! Beautiful for kids parties or presents!
Ingredients
- Rainbow Cupcakes
- 2 boxes of white cake mix
- Gel Food Colouring – 1 drop of each colour – red, orange, yellow, green, blue, purple
- Icing/ Frosting
- 5 cups Icing Sugar
- 2 cups Cream Cheese
- 1 cup Butter, softened
- 1 tablespoon Vanilla Essence
Instructions
- For the cake, in one large bowl, make up two boxes of cake mix according to instructions.
- Now divide the batter into 6 bowls – aim for about 1 cup of cake batter per bowl.
- Add a drop of food colouring to each bowl and mix well (ie. one bowl wll have red colouring, one will have yellow colouring etc)
- Bake cakes in round pans at 180°C for 10-12 minutes (it may take slightly longer).
- Allow cakes to cool on a cooling rack and prepare the icing/frosting…
- Beat the cream cheese until smooth, then add the butter (softened) and the icing sugar bit by bit. Mix until smooth.
- Using a cookie cutter or scone cutter, punch out cirlces from each layer – remember to punch close together to get as many circles out from each layer. I was able to get 7.
- Once you have all the circles cut out, start assembling your cupcakes. The purple should be at the bottom, then the blue, green, yellow, orange and finally red on top.
- Ice the top of the purple circles, then guide and lower it into the jar using a wooden skewer pierced into the middle…once in place, remove the skewer and repeat for the rest of the layers.
- Put a little extra icing or frosting on the top layer and decorate as you wish as this is the layer that people will see when they open the jar! There you go, cupcakes in a jar!
These little cakes are soo cute! This has got to be the most adorable presentation.
These jars are so cute. Where did u buy them from?
These are Consol jars, I got them from Makro, although Mr Price sells something similar.
What is the shelf life of cakes in a jar like the one you did? I want to do this for my sons wedding but need to know how long they will last, please!
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