Birthday Cake Oat Bars (Vegan)

Back when I was working full-time, the last thing I wanted to do was wake up extra early to make breakfast—especially during those extra busy weeks! Having something prepped and ready to go in the morning was a total lifesaver, making my mornings easier and way less chaotic.
These oat bars come together with simple ingredients like oats, banana, and almond butter, with the natural sweetness coming from over-ripe bananas. They’re easy to make, perfect for meal prep, and a great grab-and-go option for busy mornings. I can’t wait for you to try them—I know the whole family will love them!
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Ingredients in birthday cake oat bars
When designing this recipe, I wanted to create something that would be the perfect grab and go breakfast. With that being said, I didn’t add in any sugar or sweetener. Instead, these oat bars reply on the overly ripe bananas for the sweetness and honestly, they do a pretty dang good job!
- mashed over-ripe banana
- almond butter
- vanilla extract
- almond extract
- oats
- oat flour
- baking powder
- salt
- birthday sprinkles for topping
How to make healthy oat bars
Birthday Cake Oatmeal Bars are quick and efficient to make. This recipe is made in one bowl and comes together in as little as 25 minutes!
To start, preheat the oven to 350F and prepare an 8×8 baking dish by lining it with parchment paper. Baking tip, lightly coat the bottom of your pan with non-stick spray before putting your parchment paper in to stop it from moving around.
Then, in a large mixing bowl add in your bananas and using a fork or potato masher, mash until there are little to no chunks left. Add in the almond butter, vanilla and almond extract and mix until ingredients are well combined.
Next, add in the oats, oat flour, salt and baking powder and mix once more. Fold in some sprinkles last.
Add the batter to the prepared baking dish, and top with additional sprinkles. Bake in the preheated oven for 18 minutes. Remove from the oven and let cool completely before cutting into.
These oat bars are best stored in the refrigerator in an air tight container. Enjoy up to 5 days!

a few other oat breakfast recipes to try:
- strawberry banana oatmeal muffins
- homemade oat flour pop-tarts
- strawberry shortcake pancakes
- birthday cake oatmeal
Birthday Cake Oat Bars
Ingredients
- 1.5 cups mashed over-ripe banana (about 3 large bananas)
- 1/2 cup almond butter
- 1 tsp vanilla extract
- 1/2 tsp almond extract
- 1.5 cups oats
- 3/4 cup oat flour
- 1 tsp baking powder
- 1/4 tsp salt
- 1/4 cup sprinkles
Instructions
- To start, preheat the oven to 350F and prepare an 8×8 baking dish by lining it with parchment paper. Baking tip, lightly coat the bottom of your pan with non-stick spray before putting your parchment paper in to stop it from moving around.
- Then, in a large mixing bowl add in your bananas and using a fork or potato masher, mash until there are little to no chunks left. Add in the almond butter, vanilla and almond extract and mix until ingredients are well combined.
- Next, add in the oats, oat flour, salt and baking powder and mix once more. Fold in some sprinkles last.
- Add the batter to the prepared baking dish, and top with additional sprinkles. Bake in the preheated oven for 18 minutes. Remove from the oven and let cool completely before cutting into.
- These oat bars are best stored in the refrigerator in an air tight container. Enjoy up to 5 days!



These taste like literal birthday cake! I will for sure be making these again
that makes my heart so happy! so glad you enjoyed the recipe, thanks for the review!
Made these today! Delicious – even my kids loved them. Definitely making them again. Thank you!
I’m so happy to hear that! Thank you for your comment!!
these were sooooo good! way better than i could’ve ever expected!! thank you for the recipe??
Hi Lindsey, Aw i’m so so glad to hear that! I love that you loved them!! Thank you for your comment.
These are so delicious! I love anything that has a cake-y flavor and almond extract and this recipe is packed with nutrients. A fun switch up from usual banana bread. Tip: definitely use a very ripe banana – the first time I made these, I used a lightly ripe banana and the flavor is definitely sweeter with a super ripe one!
Thanks for the great tip!!