Low FODMAP peanut butter protein bars

Low FODMAP Diet Peanut Butter Protein Bars Recipe

Yield: 12 bars

Serving Size: 1 bar

These Low-FODMAP No Bake Peanut Butter Protein Bars contain only four simple ingredients, most of which you probably already have in your low-FODMAP pantry!  These bars are very filling from the peanut butter and oats and they contain 10 grams of protein each.  Make these bars to have on hand as a snack (cut one serving into two pieces to enjoy at different times of the day) or enjoy as a post-workout meal, or for a long trip or hike.

Relative to other grocery items, many protein powders come with large price tags, but having some good protein powder on hand is totally worth it.  I used Jay Robb Unflavored Egg White Protein Powder for this recipe and I always have some of this FODMAP-friendly protein powder in my pantry to use in smoothies and other bake or no-bake treats.


  • 1 cup natural creamy peanut butter
  • 3/4 cup maple syrup
  • 1 teaspoon vanilla bean paste (or vanilla extract)
  • 1 1/2 cups gluten-free rolled oats
  • 1 cup Jay Robb Unflavored Egg White Protein Powder


  1. Line a 9×9-inch pan with parchment or wax paper. In a medium microwave-safe bowl, heat peanut butter and maple syrup on high for 30 seconds. Stir.  Place bowl back in microwave and heat for another 30 seconds.  Add vanilla bean paste and stir again. Mix in oats and protein powder, and stir well until combined. Immediately spread evenly into prepared pan.  You can use a spoon or spatula at first and then clean hands to press down with your palms to make sure everything spreads out evenly.
  2. Refrigerate, uncovered, for 1 hour. Remove from fridge and cut into 12 bars. Enjoy or cover and store in refrigerator for about one week

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