Kim Becker {aka MommyKnows}
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How to: Rainbow Cupcakes in a Jar

in DIY / Tutorials, General, Real Food / Easy Meals

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My rainbow cupcakes in a jar were inspired by this babble post, however, I just thought one pint jars were just way to BIG. My kids don’t need that much cake. So … using 4oz (125ml) jars … I present cupcakes in a jar!

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Make sure you have a helper.

{preheat oven to 350f}

You’ll need:

1 boxed white cake mix (I used Betty Crocker)
1 can of white frosting (I used Betty Crocker)
variety of Wilton icing colours
12 125ml (4oz) canning jars
Sprinkles

My creation

Make the white cake as per the instructions on the box. Then divide the cake mix up into portions (you don’t have to be exact). Add colouring to the cake mix. I used: No Taste Red, Lemon Yellow, Teal, Royal Blue and Violet (most of the colours of the rainbow).

My creation

Add about 1 tsp of each colour into the canning jars. Place the canning jars on a cooking sheet with about 1/4″ of water on it. Bake in the oven at 350f for 25-30 minutes.

Tip: Only fill the jars about 1/2 full. I think mine were too full and many ended up way to big!

Remove from oven and let them cool completely.

My creation

Once cooled remove the tops of the cupcakes to make room for frosting. Ice the cakes with the frosting and top with sprinkles.

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Enjoy!

MK xo

Disclosure: I am part of the Life Made Delicious Blogger program and I receive special perks as part of my affiliation with this group. As always, the opinions on this blog are my own

39 comments… add one

  • a May 12, 2011, 2:36 pm

    thank you for posting this :) it’s such a fun and super cute idea!

  • MommyKnows May 12, 2011, 2:44 pm

    @a, thanks a! My kids were thrilled with them :)

  • Angella May 12, 2011, 4:05 pm

    SO FUN!! Thanks for sharing, Kim. :)

  • MommyKnows May 12, 2011, 4:10 pm

    @Angella, Thanks Angella!

  • Lynn May 12, 2011, 4:50 pm

    Those look great! A new way to prepare a classic treat.

  • MommyKnows May 12, 2011, 5:26 pm

    @Lynn, Thank you Lynn!

  • Jo May 12, 2011, 9:37 pm

    These look so fun! This will definitely be one that I try for one of the parties! Love the colors too. Thanks for posting!!!!

  • mommyknows May 13, 2011, 12:59 pm

    @Jo, Thanks Jo!

  • Mary Jo Vick May 13, 2011, 12:00 pm

    Theeeeese are darling! Found you on IG. I’m following your blog now. So fun!!! I’m totally gonna make these!

  • mommyknows May 13, 2011, 12:59 pm

    @Mary Jo Vick, Thanks for stopping by Mary Jo :) Make sure to take photos and IG when you are done!

  • Capiz Blogger May 15, 2011, 5:06 am

    I think this is awesome and really looks good and creative with because of cool colors.

  • charlize@pest control May 15, 2011, 8:19 am

    Cute blog. I want to learn how to do this for my children. Thanks for posting.

  • MommyKnows May 15, 2011, 9:19 am

    @charlize@pest control, Thanks for stopping by :)

  • MommyKnows May 15, 2011, 9:20 am

    @Capiz Blogger, Thanks Capiz for your comment.

  • Cape Coral ferienhaus May 16, 2011, 11:37 am

    That looks way too cool. I’ll definitely give it a try this weekend.

  • MommyKnows May 16, 2011, 12:29 pm

    @Cape Coral ferienhaus, Thanks for stopping by and taking the time to comment.

  • Donte Lespedes May 16, 2011, 3:58 pm

    Awesome article. Bookmarked on delicious :)

  • MommyKnows May 16, 2011, 5:24 pm

    @Donte Lespedes, Thank you :)

  • Sky-Pilot May 22, 2011, 8:32 am

    Interesting post, thank you!

  • Gloria Bednarz May 28, 2011, 9:21 am

    What a great way to send cupcakes with your lunch! No MESS! Look delicious!

  • Jenny @ Momma's Cakes May 29, 2011, 6:21 pm

    I LOVE this…I think I’m going to do this for my daughters birthday party! I have a huge box of jars that are in the garage….I was wondering what I was going to do with them! Thank you sooo much. This is great :)

  • Mark @ Irish Jewelry May 30, 2011, 7:56 am

    Cool idea! We bought that exact size mason jar yesterday for some jam we were making, but ended up using the next size up instead. Thanks for the idea.

  • Ashton June 1, 2011, 3:35 am

    That will seems to be excessively neat. I’ll surely check it out for this specific end of the week.

  • andre June 1, 2011, 3:11 pm

    Very good article, thanks for the material quality and congratulations on your site.

  • John Allen June 20, 2011, 9:52 pm

    Wow, what an ideal. Here I am building a website on cupcake packaging and that thought of using canning jars never entered my mind.

  • Amy September 16, 2011, 4:45 pm

    I LOVE this idea. Thank you so much for posting. I recently made them for my daughter’s birthday. In my blog, I linked to this post. You have a great tutorial!!
    http://amy-daybyday.blogspot.com/2011/09/rainbow-cupcakes-in-jartips.html

  • MommyKnows September 27, 2011, 10:42 am

    @Amy, Thank you Amy! I am happy they worked out for you. Happy belated birthday to your daughter. :)

  • Nancy Leonard September 24, 2011, 7:54 am

    I’ve always to know how to make this cute rainbow cupcakes. I always see this on Tumblr. And finally, I found it here. Thanks so much for sharing this. :)))

  • MommyKnows September 27, 2011, 10:39 am

    @Nancy Leonard, Thank you for stopping by Nancy.

  • Vi January 25, 2012, 6:40 pm

    hi! these cupcakes are awesome, I really want to try them out but I have a doubt. The jars that you use, are they made of special material for the oven? or you use regular ones?

  • pest control February 18, 2012, 12:14 pm

    Good initiative.

  • Paizley February 19, 2013, 11:55 am

    I checked my 4 oz jars but they were only 113ml :-/

  • Kim Becker February 19, 2013, 9:07 pm

    Close enough :) Just maybe take a couple minutes off of the cooking time.
    Thank you for stopping by.

  • candi April 21, 2013, 9:49 pm

    Can you use any ol jars or does it have to be canning jars? Im thinking reusing baby food jars (the larger ones) Hope someone can let me know if that’ll work!!
    Thanks

  • jane April 28, 2013, 7:33 pm

    i needed something rainbow to bake for some friends and this looks perfect

  • Darlene August 8, 2013, 5:26 am

    Love this idea for my grand children thanks a lot

  • Lisa September 8, 2013, 8:59 pm

    Way cool. I am going to do this as a way to send cupcakes to my nephew in college.

  • Bryanna May 2, 2014, 9:01 am

    So you put 1/4″ of the water in the jars with the cake mix when you bake them? I just misunderstood that part…I want to make these for my daughter’s birthday at the end of the month, and I obviously dont want to screw them up! Lol

  • Mandy July 8, 2014, 11:56 pm

    I am planning to make these for my grandmas 75th bday I fell in love with them when I saw them

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