High Protein Peanut Butter Chocolate Slice

Aug 21, 2025

This one’s for the peanut butter lovers. Made with our Justine’s x Forty Thieves Peanut Butter Protein Cookie Bars, this rich, fudgy slice is high in protein, no-bake, and made with just 6 ingredients. It’s ridiculously easy to throw together - and even easier to demolish.

High Protein Peanut Butter Chocolate Slice Recipe

Ingredients

Base:
5 Justine’s x Forty Thieves Peanut Butter Protein Cookie Bars, crumbled
• ¼ cup coconut oil, melted

Filling:
• 1 cup Forty Thieves Smooth Peanut Butter
• ¼ cup maple syrup
• ¼ cup coconut oil
• ½ cup boiling water

Topping:
• 100g dark chocolate, melted
• 1 tbsp coconut oil (optional, for smoother topping)


Method

  1. Line a loaf tin with baking paper.

  2. Combine crumbled protein cookie bars with melted coconut oil. Press firmly into the base of the tin.

  3. In a bowl, mix peanut butter, maple syrup, and coconut oil. Add boiling water and stir until smooth and well combined.

  4. Pour filling over the base and smooth it out with a spoon.

  5. Melt dark chocolate (with coconut oil, if using), then pour over the filling layer.

  6. Place in the fridge for 1-2 hours, or until set.

  7. Slice into pieces and enjoy.