I’ve got the perfect cake bar recipe for you! These Gooey Cinnamon Roll Cake Bars are downright delicious. Sweet, soft and cinnamon, they make the perfect party treats!
If you love bar recipes like we do, try our No Bake Chocolate Peanut Butter Bars too.

Gooey Cinnamon Roll Cake Bars
There’s something special about these cake bars! They did not last long around my house. All of your favorite cinnamon roll flavors wrapped up in gorgeous gooey bars. I love having great bar recipes to take to parties or to a friends. Simple dessert that tastes like a million bucks, simple to transport.
Why You’ll Love This Recipe
- Simple Dessert. This recipe starts with a cake mix, which makes for a super simple dessert to prepare.
- Cinnamon Roll Flavors! If you love cinnamon rolls, you are going to love these bars.
- Great For Parties. Bars are a great dessert to bring to parties because they’re easy to transport.
Try my Red Velvet S’mores Bars too! Follow Picky Palate on Instagram for daily recipe inspiration!
What You’ll Need
Here are the ingredients you’ll need to make cake bars at home. See the recipe card located at the bottom of the post for full details.
- Yellow Cake Mix– Use your favorite brand of cake mixes for the recipe. I use Pillsbury or Duncan Hines.
- Butter– Salted or unsalted butter works just fine.
- Egg– For consistency, I use large eggs for my cooking and baking.
- Sweetened Condensed Milk– Find sweetened condensed milk in the baking section of the grocery store.
- Brown Sugar– Use light brown sugar, lightly packed for this recipe.
- Ground Cinnamon– Ground sugar is mixed with the brown sugar and sprinkled over the cake mix dough.
- White Chocolate Chips– Find white chocolate chips near the regular chocolate chips down the baking isle.
- Mini Marshmallows– Mini marshmallows are also found in the baking section of the grocery store.
How To Make Gooey Cinnamon Roll Cake Bars
Preheat Oven and Prepare Baking Dish. Preheat oven to 350 degrees F and line a 9×13 inch baking dish with parchment paper.
Prepare Cake Mix Dough. Place cake mix, butter and egg into a medium mixing bowl. Stir until dough forms.
Transfer Dough To Baking Dish. Press into prepared baking dish.
Drizzle With Toppings. Drizzle with sweetened condensed milk, brown sugar, cinnamon, white chips and marshmallows.
Bake. Bake for 30-35 minutes, until baked through. Remove from oven and let cool completely before cutting into squares.
Recipe Tips For Success
- Make Sure Butter Is Softened. To make the cake dough, give the butter enough time to soften before making. Should be room temperature and soft.
- Plastic Knife. I like to use a plastic knife to cut the bars into squares. This prevents sticking.

How To Serve
Serve cake bars warm or room temperature at your next gathering where dessert is needed.
Leftovers
Store any leftover bars in an airtight container for up to 3 days. Room temperature is fine.
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Gooey Cinnamon Roll Cake Bars
Equipment
- Oven
- 9 x 13 inch baking dish
- parchment paper
- mixing bowl
- measuring cups
- measuring spoons
- mixing spoon
- plastic knife
Ingredients
- 1 box yellow cake mix
- 1 stick softened butter unsalted
- 1 large egg
- 1/4 cup sweetened condensed milk
- 1/2 cup light brown sugar loosely packed
- 2 tablespoons ground cinnamon
- 1 cup white chips
- 2 cups mini marshmallows
Instructions
- Preheat oven to 350 degrees F and line a 9×13 inch baking dish with parchment paper.
- Place cake mix, butter and egg into a medium mixing bowl. Stir until dough forms. Press into prepared baking dish. Drizzle with sweetened condensed milk, brown sugar, cinnamon, white chips and marshmallows.
- Bake for 30-35 minutes, until baked through. Remove from oven and let cool completely before cutting into squares.
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I’ve made these a handful of times in the past few weeks; once for work and for several events – everyone LOVES them! They are super easy and delicious.
This desert looks so easy, but super delicious!
Yum! I can see these being popular at a party!
Why have I never tried these. Looks delicious. // ▲ conundrumofcoitus.com ▲
These look absolutely amazing!!!!!!
Good lord- those are CRAZY!! I like the way your brain works Jenny!
The gooey marshmallow topping is the best!!
I’m all in for these goodies – whoa!
These sounds divine!
Oooooh, girl, this looks fantastic. Happy Monday!
Please send me an entire pan of these! I love how easy they are to make!
My goodness, this looks to DIE for! I mean, I thought cinnamon rolls were great as they were but this is taking it to a whole new level. Love it!