Skip to main content
Protein Works DIY Protein Bars

DIY Peanut Butter Protein Bars: Three Ways

The first One of the recipes is what we like to call ‘The Original Protein Powder Protein Bar’ version, the second version is a low-carb version of the original and the third is a vegan version.

The directions for all versions of these bars are the same so just scroll down below. Macronutrients are included under each recipe too!

Notes before you dig into the recipes:

1. The type of peanut butter you use makes a big difference here. We recommend you try a nut butter that’s 100% peanuts – no palm oil, sugar, no nonsense.

2. All of the recipes below yield 4 traditionally-sized protein bars. If you want to make a tray-full, just multiply the ingredients!

3. Feel free to try ALL of these recipes to see which ones you like best!

4. If you’re feeling even MORE adventurous, dip your bars in dark chocolate (see below!)

The Original Protein Works Peanut Butter Bars

Protein Works Protein Bars recipe

1/8 (15g) cup ground gluten-free oats (or oat flour)
1 tbsp (10g) vanilla whey protein
1 big tbsp. (9g-10g) coconut flour
2 tbsp (around 36g) crunchy peanut butter
1 tbsp (15g) honey
Dash of almond or rice milk (just enough to bind everything together!)

Macros per bar (out of 4): 95kcals, 7g carbs, 6g carbs, 5g fat and 2g fibre.

Vegan Peanut Butter Protein Works Bars

4g (1/2 tbsp) gluten-free oat flour (just blitz your rolled oats to make it?)
1/8 cup (15g) pea protein
1/4 cup (30g) ground almonds
2 tbsp (around 36g) crunchy peanut butter
1/8 (21) agave syrup
2.5 tbsp (18ml) almond or rice milk (just enough to bind everything together!)

Macros per bar (out of 4): 132kcals, 7.8g carbs, 7.45g protein, 8g fat and 2g fiber!

Low-Carb Peanut Butter Protein Works Bars

1/4 cup (32g) ground almonds (or more if you want them even cakier)
Bit under 2 tbsp (around 30g) crunchy – or smooth – peanut butter
1/8 cup (10g) whey protein
1/8 cup (12g) pea protein
Zero calorie syrup
2 tsps (12ml) almond milk (just enough to bind everything together!)
10 stevia drops or sweetener of choice

Macros per bar (out of 4): 135kcals, 3g carbs, 9g protein, 8g fat, and 8g fiber!


Combine all ingredients in a big bowl and, using your (ideally gloved?) hands, press everything together until you get a big and delicious protein dough. Taste it but control yourself, you don’t want to eat it all yet, even though you’ll want to!

Press this dough onto a (baking paper-lined) tray. Stick it in the fridge for 15-30 minutes (this will make the bars easier to cut.)

Slice and enjoy!

Storage Instructions: 

Keep the bars refrigerated and in an air-tight container after making them. Keep them in the fridge and enjoy them within 3 days! Alternatively, you can freeze them and enjoy them within a month. Just make sure they’re in an airtight container when you do and don’t re-frost after de-frosting.

Pea Protein 80

Whey Protein 360

Diet Vegan Protein

0/5 (0 Reviews)

No Comments yet!