Healthy Homemade Peanut Butter Cookie Dough Protein Bars

These healthy homemade peanut butter cookie dough protein bars are so easy to make. They’re soft, chewy, vegan-friendly and the perfect high protein snack to take on the go!
Prep Time10 mins
Total Time30 mins
Course: Snack
Cuisine: American
Keyword: Healthy Protein Bar, Homemade Energy Bar, Vegan Protein Bar
Servings: 12


  • ½ cup natural peanut butter
  • cup pure maple syrup
  • 1 ¾ cup oats pulsed into a flour
  • 2 scoop s (about 35 grams) vanilla protein powder see post for brand recs
  • tsp salt
  • 1 tsp vanilla extract
  • 1-3 tablespoons unsweetened oat milk
  • cup vegan mini chocolate chips see post for brand recs


  • Place peanut butter in a small, microwave-safe bowl and microwave for 15 seconds. Whisk in maple syrup then set aside.
  • In a large mixing bowl, combine oat flour, protein powder, and salt. Stir to combine.
  • Add peanut butter mixture, vanilla extract, and 1 tablespoon oat milk. Stir until you get a cookie dough consistency. If there are still dry spots, add 1-2 more tablespoons of oat milk.
  • Lastly, stir in mini chocolate chips.
  • Scoop dough into a granola bar pan (see post for linor into an 8” x 8” baking pan that’s been lined with parchment paper (you’ll want two sides of the parchment paper to hang over so that it’s easy to remove the bars later). Use a rubber spatula to press the bars evenly into pan.
  • Set pan in fridge for 20 minutes. If using a bar pan, pop bars out of pan and place in an airtight food container. If making bars in a baking pan, remove bars from pan by lifting up parchment paper. Cut into bars and store in a container. Bars should keep for 2 weeks in the fridge or for up to 4 months in the freezer.


Note: this recipe can make 12 snack-sized bars or 8 more filling ones. Nutrition stats will vary depending on the type of protein powder used.
Nutrition for 1/12 of recipe: 182 calories, 9 grams fat (2 grams saturated), 71 mg sodium, 22 grams carbs, 3 grams fiber, 9 grams sugar, 7 grams protein.
Nutrition for 1/8 of recipe: 272 calories, 13 grams fat (4 grams saturated), 107 mg sodium, 32 grams carbs, 4 grams fiber, 14 grams sugar, 10 grams protein
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