The BEST Protein Bars are healthy, no-bake, and contain nothing artificial! These are chewy, delicious, easy to customize, and are the perfect healthy snack.

Looking for more healthy snacks? Try my Energy Balls, Applesauce, Carrot Muffins, or learn how to make The Perfect Charcuterie Board.

Homemade protein bars made with oats and peanut butter.

Why I love this recipe:

No Bake – No heating up the house, and only takes 10 minutes to throw the ingredients together and put in the fridge.

Healthy – Nothing artificial here. These bars are filled with normal pantry ingredients and sweetened with honey.

Taste Delicious – I’ve had one to many unappetizing protein bars in my life, so I’m all about making them from scratch, with ingredients I recognize, and they taste wonderful!

Ingredients in Protein Bars:

  • Rolled Oats – quick oats would also work.
  • Protein Powder – Add your favorite whey or plant based protein powder including Chocolate, vanilla, or plain flavored.
  • Peanut Butter – or substitute any nut butter or sunflower butter.
  • Honey – Naturally sweetened and no added sugar. You could substitute agave.
  • Ground Flax Seed
  • Banana – mashed, for sweetness flavor and binding.
  • Salt
  • Vanilla Extract
  • Mix-Ins – I like to customize my bars with chopped dates, dried fruit (blueberries, cranberries, or raisins), mini chocolate chips, or unsweetened coconut flakes.
Labeled ingredients needed to make Protein Bars.

How to make Protein Bars:

Combine Ingredients: Mix all ingredients in a large mixing bowl. Press firmly into an 8×8 inch pan.

Protein Bar ingredients mixed together in a bowl.

Refrigerate for at least 1 hour before cutting into bars.

A pan with chilled protein bar mixture pressed into it, ready to cut into bars.

Cut into bars and store in the fridge.

Freezing Instructions:

Layer bars in a freezer safe bag or container, with a piece of parchment paper between layers, and freeze for up to 3 months. Thaw in the refrigerator or on the counter before eating.

Recipe Variations:

  • Mix-Ins: Customize these bars with your favorite mix-ins! Some ideas: chopped dates, dried fruit (blueberries, cranberries, or raisins), mini chocolate chips, unsweetened coconut flakes, crispy rice cereal, chopped nuts, or anything you like!
  • Nut Butter: Swap out the peanut butter for almond butter, cashew butter, or sunflower butter.
  • Protein Powder: Use your favorite kind. Chocolate, vanilla, or plain would all work great for this recipe!
  • Vegan Protein Bars Recipe: Use your favorite vegan protein powder.

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Recipe

Homemade protein bars.
Prep 10 minutes
Refrigerate 1 hour
Total 1 hour 10 minutes
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Ingredients
 
 

  • 1 1/2 cups old-fashioned rolled oats
  • 3/4 cup peanut butter , or favorite nut butter or sunflower butter
  • 1 banana , mashed
  • 1/3 cup honey , agave or real maple syrup
  • Pinch salt
  • ½ cup ground flax seed
  • 1 cup protein powder*
  • 2 teaspoons vanilla extract
  • 3/4 cup Mix in options: chopped dates, dried fruit (blueberries, cranberries, or raisins), mini chocolate chips, unsweetened coconut flakes, nuts

Instructions
 

  • Mix all ingredients until well combined. Mixture should be fairly soft and not dry or crumbly. Add a splash of water or milk, or an extra drizzle of honey, if needed.
  • Press very firmly into an 8×8 inch pan. Refrigerate for at least 1 hour before cutting into bars.
  • Store bars in the fridge for up to 2 weeks.

Notes

Freezing Instructions: Layer bars in a freezer safe bag or container, with a piece of parchment paper between layers, and freeze for up to 3 months. Thaw in the refrigerator or on the counter before eating.
Protein Powder: Use your favorite kind. Chocolate, vanilla, or plain would all work great for this recipe, or try half protein powder and half unflavored collagen peptides.
Chocolate Protein Bars: Use chocolate protein powder. 
Nut Butter: Swap out the peanut butter for almond butter, cashew butter, or sunflower butter.
Vegan Protein Bars Recipe: Use your favorite vegan protein powder.

Nutrition

Calories: 184kcalCarbohydrates: 18gProtein: 10gFat: 9gSaturated Fat: 2gPolyunsaturated Fat: 3gMonounsaturated Fat: 4gCholesterol: 11mgSodium: 64mgPotassium: 187mgFiber: 3gSugar: 9gVitamin A: 23IUVitamin C: 1mgCalcium: 46mgIron: 1mg

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About The Author

Lauren Allen

Welcome! I’m Lauren, a mom of four and lover of good food. Here you’ll find easy recipes and weeknight meal ideas made with real ingredients, with step-by-step photos and videos.

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Comments

  1. The taste is so good! The issue I ran into was they weren’t hard enough. When I cut them after 3 hours of being in the fridge, they were just mush. Did anyone else run into this problem?

  2. 5 stars
    These are so good!! I typically buy protein bars, but after trying this recipe I’ll be making my own from now on! Thank you!!

  3. I have made these 3 times, very good but very sticky!
    I used Natural sugar free peanut butter, first 2 times, last one regular peanut butter. Messy to eat, I will keep making them though!

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