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Peanut Butter Protein Bars

Yield:

8 bars

Nutrition Preview

Peanut:
195 calories |
13g protein |
13g fat |
3g net carbs
Almond:
195 calories |
12g protein |
13g fat |
3g net carbs
Nut-Free:
205 calories |
12g protein |
14g fat |
2g net carbs
Peanut Butter Protein Bars
Melt-in-your-mouth protein bars packed with peanut butter, chocolate, and crunchy peanuts

These peanut butter protein bars are rich, nutty, and packed with protein, with a melt-in-your-mouth texture and bits of crunchy peanut and dark chocolate throughout. Peanut butter is one of my favorite foods, and I particularly like these bars alongside a mid-morning coffee. Beyond the flavor, peanut butter is also a useful ingredient in a vegan keto diet because it provides protein, fats, and a somewhat different nutritional profile from tree nuts.

The bars combine peanut butter with protein powder, chopped peanuts, and dark chocolate chips or cacao nibs. Allulose and a thick sugar-free syrup help bind everything together and contribute to the distinctive texture. The allulose gradually returns to its solid form after being melted, so the bars become a little firmer with time. The choice of protein powder matters too. You can use plain as written, try a flavored powder, or replace some of it with peanut flour or peanut butter powder for an even stronger peanut flavor.

For a peanut-free version, almond butter with almonds or sunflower seed butter with pumpkin seeds can be used instead. I’d recommend toasting your nuts or seeds for some extra crunch and flavor. If peanut butter is as much of a staple for you as it is for me, you can find more ideas in my Peanut Butter Treats, or browse my other Protein Bars for more ways to turn protein powder into something a little more interesting.

Related Recipes

Servings: 8 Total Time: 1 hr Difficulty: Intermediate

Peanut Butter Protein Bars

Prep Time 20 mins Cool/Rest Time 40 mins Total Time 1 hr
Difficulty: Intermediate Servings: 8 Calories: 195 Beast Season: Suitable throughout the year Dietary Tags:

Description

Rich peanut butter protein bars with a melt-in-your-mouth texture, crunchy peanuts, and bits of dark chocolate. Enjoy them as a sweet snack or alongside your morning coffee.

 

Yield: 8 servings of 1 bar each, totaling 8 bars

Prep Time: 20 minutes (+ some inactive time) | Cool Time: 20 minutes

Storage: refrigerated or at room temperature for 7 days (or longer). If stacking in a storage container, separate with pieces of parchment to prevent bars from sticking together. ✎

 

Peanut-Free Options: replace the peanut butter and peanuts with almond butter and almonds or sunflower seed butter and pumpkin seeds. I'd suggest toasting the almonds and pumpkin seeds for a satisfying crunch.

Ingredients

Cooking Mode Disabled

Instructions

  1. Put the allulose, water, vanilla extract, and salt in a small microwave-safe mixing bowl. Microwave for 60 seconds. Pause to whisk after 30 seconds. Monitor to make sure it doesn't bubble over. The contents of the bowl will be scalding hot, so be careful. Transfer to the fridge to cool until room temperature, about 20 minutes. Cooling is primarly to prevent chocolate chips from melting. If using cacao nibs, cool for about 10 minutes. See note regarding stovetop method.

  2. Add the peanut butter and syrup to the allulose mixture and whisk until smooth.
  3. Add and mix in the peanuts and chocolate chips.
  4. Add the protein powder and mix with a stiff silicone spatula or spoon until no dry patches remain.
  5. Press the dough into a parchment-lined 6-inch (15cm) square cake pan.
  6. Refrigerate to cool and set for about 20 minutes.
  7. Cut into 8 bars and enjoy at room temperature.

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Nutrition Facts

Servings 8

Serving Size 1 Bar


Amount Per Serving
Calories 195kcal
% Daily Value *
Total Fat 13g20%
Total Carbohydrate 21.5g8%
Dietary Fiber 6.5g26%
Protein 13g26%

Allulose 12g
Net Carbs 3g

* Total Carbs - (Fiber + Allulose + Sugar Alcohols) = Net Carbs

Notes

  • I have not made allulose syrup on the stovetop, but I have no reason to believe that it wouldn't work. If doing so, I'd place the ingredients in a very small spacepan, melt and bring to a simmer on medium heat, reduce to low, and simmer for 3-5 minutes. Monitor carefully and adjust heat as needed to prevent burning.
  • Allulose melts into a syrup, but will eventually return to its solid form. What this means here is that your bars will start become a little harder over time.
  • I have tried making a similar recipe with erythritol-based granulated sweetener and it did not work out at all, so I would not expect it to work in this recipe. This recipe will also not work with pure stevia or pure monk fruit as they have little bulk and do not melt into a syrup when heated. I have not tried the recipe with xylitol. If you happen to try it, please let us know how it turns out.
  • For syrup, I am using ChocZero honey or maple syrup, which are very thick and contain no water in the ingredient list. The main ingredient is resistant dextrin.  Some keto syrups are very watery and I don't know how this would impact the recipe, or the texture after a few days of storage.
  • You could use a flavored protein powder, or a mixture of plain and flavored, but you might find the result overly sweet. Another option here is to replace some of the protein powder with peanut flour or peanut butter powder. This would likely decrease the protein and increase the net carbs, but would also add to the peanut butter flavor.
Keywords: peanut butter protein bars, keto protein bars, vegan protein bars, low carb protein bars, homemade protein bars, peanut butter protein bar recipe, high protein snack, keto peanut butter bars, vegan keto protein bars
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Frequently Asked Questions

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Are the macros the same if I make the almond version or the seed version?

Not exactly the same, but very similar.

Almond: 195 calories | 12g protein | 12g fat | 3g net carbs
Seeds: 205 calories | 12g protein | 14g fat | 2g net carbs ​

What data is used to calculate the calories and macros?

When available, I typically use NCCDB data in Cronometer to calculate calories and macros. There are a few items that I choose to use label data for instead, despite the availability of NCCDB data. This is because I've found that the label data differs substantially and consistently for these foods. In this recipe, I have used label data for "maple syrup" (ChocZero), chocolate chips (dark, ChocZero) protein powder (pea, Now Foods). Be aware that both NCCDB and label data change over time and so what I've given here may have changed since the recipe was first published.

The calorie and macro numbers on your recipes seem oddly uniform. Why is that?

Counting calories and macros can negatively affect mental health by being time-consuming and by creating an obsession with inconsequential levels of detail. In an effort to mitigate this, numbers are rounded. In most cases, numbers equal to or greater than 10g are rounded to the nearest whole number (e.g. 10g, 11g, 12g, etc.) and numbers below 10g are rounded to the nearest 0.5g (0.5g, 1g, 1.5g ... 9g, 9.5g). Any numbers below 0.5g are given as is (e.g. 0.1g, 0.2g, etc.). Calories are rounded to the nearest multiple of 5.

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Nutrition

Peanut:
Servings: 8
Serving Size: 1 bar
Calories 195
Protein 13g
Fat 13g
Total Carbs 21.5g
Fiber 6.5g
Allulose 12g
Net Carbs 3g
Almond:
Servings: 8
Serving Size: 1 bar
Calories 195
Protein 12g
Fat 13g
Total Carbs 22g
Fiber 7g
Allulose 12g
Net Carbs 3g
Nut-Free:
Servings: 8
Serving Size: 1 bar
Calories 205
Protein 12g
Fat 14g
Total Carbs 21g
Fiber 7g
Allulose 12g
Net Carbs 2g

Total Carbs – (Fiber + Allulose + Sugar Alcohols) = Net Carbs

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Please bear with me while I continue to transfer content from my previous site, redirect links, revise formatting, and add all the data needed for the new site’s fancy features to function at their full capacity.

What happened?

On July 4th, Weebly (my hosting platform) informed me that it was removing its services in my region and that my website would be unpublished as of September 27th. Fortunately, I had already been working on this new site and could have it finished by then. However, on July 15th, Weebly cancelled my subscription and notified me that my website would be unpublished imminently. Thus, here you are, on my unfinished new site. My apologies.