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April 13, 2015 by: Ashley Greenwood

Baymax Birthday ~ Easy DIY Birthday Cake

April is a busy month filled with Easter, Spring Break, and two birthdays in our family!

It was the big #8 for our youngest son and we celebrated his special day with a special birthday cake and small family party!

I love making my children’s cakes and it makes their day when I create something just for them. But to keep my sanity it has to be an Easy DIY Birthday Cake. I was relieved when Little Boy requested a Baymax Birthday Cake because I immediately knew I could whip one up in a snap! This post may contain affiliate links marked with an asterisk. Click here for my complete full disclosure policy.

SUPER SIMPLE tutorial for an Easy DIY BAYMAX Birthday Cake! by 3 Little Greenwoods Planning a Big Hero 6 Birthday party? You NEED this tutorial! #Cakes #DIYBirthdayCake #Baymax

Baymax Easy DIY Birthday Cake: Supplies Needed

One Box of Cake Mix

Round Pyrex Casserole Dish*

Two Tubs of White Icing

Black Icing

Offset Spatula*

Baymax Easy DIY Birthday Cake: Instructions

Follow package instructions to mix up the cake batter. Coat a Round Pyrex Casserole Dish* generously with non-stick spray. Add the entire cake mix batter to the dish. Cook approximately 45-50 minutes until done.

I set my timer for 35 minutes then checked the cake every five minutes until the middle was no longer jiggly and a long wooden skewer came out clean.

Allow the cake to cool completely then across your fingers it comes out in one piece.

SUPER SIMPLE tutorial for an Easy DIY BAYMAX Birthday Cake! by 3 Little Greenwoods Planning a Big Hero 6 Birthday party? You NEED this tutorial! #Cakes #DIYBirthdayCake #Baymax

After you flip the cake onto a cake plate you will notice that rounded top of the cake is now on the bottom. Don’t let that gap around the bottom of the cake bother you. I’ve got a quick and easy fix for that!

SUPER SIMPLE tutorial for an Easy DIY BAYMAX Birthday Cake! by 3 Little Greenwoods Planning a Big Hero 6 Birthday party? You NEED this tutorial! #Cakes #DIYBirthdayCake #Baymax

To fill in the gap under the edge of the cake simply fill a plastic sandwich bag with icing, snip one corner, and use the handmade piping bag to pump icing to the gap.

SUPER SIMPLE tutorial for an Easy DIY BAYMAX Birthday Cake! by 3 Little Greenwoods Planning a Big Hero 6 Birthday party? You NEED this tutorial! #Cakes #DIYBirthdayCake #Baymax

Smooth the icing around the bottom of the DIY birthday cake with an Offset Spatula*. This fills in that gap between the cake and the cake plate. Easy peasy!

SUPER SIMPLE tutorial for an Easy DIY BAYMAX Birthday Cake! by 3 Little Greenwoods Planning a Big Hero 6 Birthday party? You NEED this tutorial! #Cakes #DIYBirthdayCake #Baymax

Ice the entire cake with white icing. For years I used a plain butter knife to ice my cakes. Now I’m in love with this Offset Spatula* for all my easy DIY birthday cake making. It makes it so much easier to ice the cakes. Plus the cakes look more professional when you use a real cake decorating tool instead of a kitchen knife.

SUPER SIMPLE tutorial for an Easy DIY BAYMAX Birthday Cake! by 3 Little Greenwoods Planning a Big Hero 6 Birthday party? You NEED this tutorial! #Cakes #DIYBirthdayCake #Baymax

Once the cake is iced it’s time to add Baymax’s trademark eyes. Since his eyes are basically just two circles connected with a line it is pretty simple. But I needed a template. A marker top makes an awesome circle for me to fill in with black icing!

SUPER SIMPLE tutorial for an Easy DIY BAYMAX Birthday Cake! by 3 Little Greenwoods Planning a Big Hero 6 Birthday party? You NEED this tutorial! #Cakes #DIYBirthdayCake #Baymax

SUPER SIMPLE tutorial for an Easy DIY BAYMAX Birthday Cake! by 3 Little Greenwoods Planning a Big Hero 6 Birthday party? You NEED this tutorial! #Cakes #DIYBirthdayCake #Baymax

Add a border around the bottom using the rest of the black icing and the easy DIY Baymax cake is finished!

Our son loved it SO much! He ran to his Disney Infinity figurine collection to grab Hiro and Baymax so they can join the party!

SUPER SIMPLE tutorial for an Easy DIY BAYMAX Birthday Cake! by 3 Little Greenwoods Planning a Big Hero 6 Birthday party? You NEED this tutorial! #Cakes #DIYBirthdayCake #Baymax

SUPER SIMPLE tutorial for an Easy DIY BAYMAX Birthday Cake! by 3 Little Greenwoods Planning a Big Hero 6 Birthday party? You NEED this tutorial! #Cakes #DIYBirthdayCake #Baymax

If you have a child who loves Big Hero 6 this is a Easy DIY Birthday Cake for you! From start to fix it our took me less than a couple of hours to make a unique birthday cake for our son!

Fun and easy Iron Man Birthday Treats by 3 Little Greenwoods take just minutes to make and are perfectly scrumptious! They are perfect for Easy Avengers Party Ideas and will be a hit with the kids! #IronManBirthday #AvengersPartyIdeas

Iron Man Birthday Party Treats

Need to plan an Avengers Party or Superheroes Party in a hurry? You will LOVE these Easy Avengers Party Ideas! Super fun Avengers Movie Marathon party plan with simple party decor, yummy Superheroes treats, and fun games! #AvengersUnite #CBias

Easy Avengers Party Ideas

If you loved this birthday cake tutorial then you must see the rest of my Party Planning Tips and Tricks!

Click here to see SIX more Easy DIY Birthday Cake tutorials!

Party Planning Tips and Tricks

 Don’t forget to check out my Party Planning Pinterest Board for more inspiration!

Follow Ashley @ 3 Little Greenwoods’s board Party Planning on Pinterest.

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Full Disclosure: This post contains affiliate links and/or is a sponsored post. I may receive compensation in the form of monetary compensation or product compensation in exchange for my review. I take pride in reviewing only products that fit my brand and will be beneficial to my readers. And while this post is sponsored or contains affiliate links, all the opinions are my own. Why do I do this? It will help me keep this DIY’ing Mama crafting for another day! For more on my disclosure policy click here.

 

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Comments

  1. 1

    Lindsay Eidahl says

    April 13, 2015 at 7:13 am

    This is the perfect cake! Looks exactly like it and pretty easy! Love it!

    Reply
    • 2

      3littlegreenwoods says

      April 15, 2015 at 8:10 am

      Thanks my sweet friend! xoxo

      Reply
  2. 3

    Ginger says

    April 13, 2015 at 8:50 am

    Looks great! I love doing Baymax stuff b/c it’s a design that even I can replicate. 🙂 ‘Cuz I’m not so good with the cake decorating. I’m sure your son loved it!

    Reply
    • 4

      3littlegreenwoods says

      April 15, 2015 at 8:10 am

      Every time I agree to make their birthday cakes I cross my fingers it turns out! Thank goodness Baymax is easy!

      Reply
  3. 5

    Paris (My Big Fat Happy Life) says

    April 13, 2015 at 10:09 am

    Love the Baymax cake! It looks awesome and easy enough that I can do it 🙂

    Reply
    • 6

      3littlegreenwoods says

      April 15, 2015 at 8:09 am

      Our Baymax cake was so easy! Thanks so much for the comment love, Paris!

      Reply
  4. 7

    aimee fauci says

    April 13, 2015 at 11:30 am

    I love how clean your cake came out. It is perfect.

    Reply
    • 8

      3littlegreenwoods says

      April 15, 2015 at 8:08 am

      Thanks so much, Aimee! I was totally holding my breath when I popped it out of the bowl. 😉

      Reply
  5. 9

    Lauren Harmon says

    April 14, 2015 at 12:04 am

    Oh my goodness, that is just too cute! I’m a huge fan of Baymax and you made the perfect cake that looks JUST like him. 🙂

    Reply
    • 10

      3littlegreenwoods says

      April 15, 2015 at 8:08 am

      YAY! I’m so excited to hear you say this DIY birthday cake really does look like Baymax. We love the movie and I am so happy that I was able to create an EASY cake for our son’s birthday!

      Reply
  6. 11

    Leanne says

    April 14, 2015 at 7:07 pm

    You do such an amazing job on your birthday cakes Ashley! So cute yet doable!

    Reply
    • 12

      3littlegreenwoods says

      April 15, 2015 at 8:05 am

      Thank you so much, Leanne! I loved how simple this Baymax cake was to make for his birthday!

      Reply
  7. 13

    Rachel says

    April 14, 2015 at 11:14 pm

    So cool! I just bought one of those spatulas today and I would never have thought to use it like that. Awesome job!

    Reply
    • 14

      3littlegreenwoods says

      April 15, 2015 at 8:04 am

      Girl! I love that spatula and use it for all sorts of things. Like… digging the last of the mayo from the jar!

      Reply

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