Skip to Content

Easy Cake Mix Bars

If you like this recipe, please share!

If you enjoy surprising your kids with treats after school, these cake mix bars are fun and festive. They also travel well for a summer potluck party too.

Pin Easy Cake Mix Bars to make later.

Cake mix bars, uncut, in the pan.

Jump to:


  • Yellow Cake Mix
  • Egg
  • Milk
  • Vegetable Oil
  • White Chocolate Chips
  • Rainbow Sprinkles

Four cake mix bars on a white platter.

I was given a complimentary copy of the Simple & Delicious cookbook to review, with no obligation. All opinions are my own. 

After my kids went back to school, I wanted to make a new treat for them when they came home “starving”. I was looking for really easy and also did not want to go to the store for any ingredients. I know, a tough bill to fill.

So, I took to my preview copy of the Simple & Delicious Cookbook. This recipe spoke to me…easy, cake mix, white chocolate chips, jimmies (or sprinkles). Lo and behold, I had all of the ingredients so I set off to make it.

When my kids arrived home from school, “starving”, they were pleasantly surprised with their festive treat. These cake mix bars are also perfect for a birthday or holiday. They are so festive with the addition of jimmies.

Mix up the jimmies (you may call them sprinkles), using red, green and white for Christmas or pastels for spring. I also think they would make a great base for an ice cream sundae.

Tips and Tricks to Making Easy Cake Mix Bars

  • Using a yellow cake mix makes this recipe more flavorful. You could choose to use a butter yellow cake mix but I don’t suggest a white cake mix. White cake mixes are softer when made. Yellow has more substance which you need with the addition of the white chocolate chips and jimmies, also known as sprinkles.
  • Make sure all ingredients are room temperature.
  • It’s OK to use whole or 2% milk. I have used both of these when I’ve made this recipe. I have not tried this recipe with non-dairy milk products.
  • You may also know these treats as funfetti cake bars due to the addition of the sprinkles. These cake bars travel well making them perfect for a potluck party.
A close up of cake mix bars with sprinkles on a white tray.

More Recipes That Start with a Cake Mix

Easy Cake Mix Bars Pinterest Image

What Are Sprinkles Made Of?

The simple answer is a number of things including sugar, corn syrup, cornstarch, wax and artificial flavors, though rainbow sprinkles really don’t have any flavor. Chocolate ones have the addition of cocoa and mildly taste like chocolate.

Easy Cake Mix Bars Twitter Image

Easy Cake Mix Bars

Easy Cake Mix Bars

Yield: About 3 dozen
Prep Time: 5 minutes
Cook Time: 18 minutes
Total Time: 23 minutes

Easy cake mix bars have sprinkles in the batter.


  • 1 yellow cake mix (I used Duncan Hines)
  • 1 large egg
  • ½ cup 2% milk
  • ⅓ cup canola oil
  • 1 cup white baking chips
  • ½ cup mulit-color jimmies (sprinkles)


  1. Preheat oven to 350 degrees F. In a large bowl, combine the yellow cake mix, egg, milk and oil. Stir in white baking chips and jimmies. Spread into a greased 15x10x1 - inch baking sheet.
  2. Bake 18 - 20 minutes or until a toothpick inserted in the center comes our clean. Cool completely in pan on a wire rack. Cut into bars.
  3. To freeze the bars: Freeze in freezer containers. Thaw in covered containers before serving.


The number of bars you get will depend on the size you cut them.

Recommended Products

As an Amazon Associate and member of other affiliate programs, I earn from qualifying purchases.

Did you make this recipe?

I'd love to hear about it! Please leave a comment below or share it on Pinterest!


Monday 6th of September 2021

I love a great shortcut and these cookie bars are super easy to make and OH SO DELICIOUS!


Wednesday 1st of September 2021

Great idea to use a cake mix! It makes it so easy. Kids would love these treats in a lunchbox!

Lynn @ Fresh April Flours

Monday 30th of August 2021

So great for a really quick dessert! And who doesn't love another vehicle for sprinkles?

Sue Ringsdorf

Monday 30th of August 2021

These were SO delicious, and I'm going to start keeping box mixes handy for all the things!

Amy (Savory Moments)

Sunday 29th of August 2021

My kids would be thrilled to have these as an after school treat - or anytime! I need to start keeping some cake mixes on hand.

Skip to Recipe