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No bake birthday cake protein bars.
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5 from 5 votes

Birthday Cake Protein Bars

Save some cash and make your favorite sprinkle filled protein bar at home. These homemade No Bake Birthday Cake Protein Bars recipe is the flavor of your dreams: birthday cake! This recipe is dairy and egg free but still full of flavor and protein. Only about 5 minutes to prep! You will end up liking the homemade version better than store bought! 
Prep Time10 mins
Chill20 mins
Total Time30 mins
Course: Snack
Cuisine: American
Servings: 8
Calories: 302kcal
Author: Lorie Yarro


  • 1 c almond flour
  • ½ c oat flour
  • ½ c almond butter or cashew butter
  • ½ c vanilla protein powder
  • 3 T milk of choice more if needed
  • ⅓ - ½ c maple syrup
  • 1 ½ teaspoon vanilla extract
  • 2 - 3 T rainbow sprinkles
  • Dash of sea salt


  • Combine all ingredients except for sprinkles and milk in a medium sized bowl.
  • Stir to combine, and then get in with your hands and knead until a dough is formed. Slowly add in milk until a nice thick, but not too wet consistency. Fold in 2 T of the rainbow sprinkles. 
  • Press mixture VERY FIRMLY into a parchment lined 8x8 pan or dish. For thicker bars, just don't press the mixture all the way to the edge.
  • Press the rest of the sprinkles into the bars. Freeze for about 30 minutes to set.
  • Remove from freezer and cut into bars. Store in the refrigerator.


  • The biggest impact on the flavor of these bars will be your protein powder. If your protein powder tastes like grass, then these protein bars are going to taste like grass. Sad, but true. I would opt for a vanilla versus a flavorless, unless you use a collagen peptide powder. Collagen seems to be the only powder that is really and truly flavorless. I could get behind using one of these for sure.
  • A thinner, drippy almond or cashew butter will work best. It will be easiest to mix up these protein bars if you use a nut butter that is moist, smooth and more on the runny side. I usually keep mine out of the fridge for about an hour to help loosen it up a bit.
  • When I say press, I mean PRESS these babies into the pan. If you want a really sturdy, dense bar, then you gotta put all your weight into it, sit on it, whatever you have to do, bring the power. The bars will be too flimsy if you don’t so when you think you have pressed hard enough, keep going.
  • Sprinkles often include food dyes. If you are looking to avoid food dyes, opt for sprinkles that are naturally dyed. There are actually a lot of them out there these days!


Calories: 302kcal | Carbohydrates: 28g | Protein: 12g | Fat: 17g | Saturated Fat: 2g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 5g | Cholesterol: 14mg | Sodium: 24mg | Potassium: 226mg | Fiber: 4g | Sugar: 16g | Vitamin A: 9IU | Calcium: 151mg | Iron: 1mg