Go Back

High Protein Low Carb Chocolate Peanut Butter Bars - Easy, Satisfying, and No-Bake

Prep Time 15 minutes
Total Time 15 minutes
Servings: 12 servings

Ingredients
  

  • 1 cup natural peanut butter (creamy, unsweetened)
  • 1/2 cup vanilla or chocolate whey or plant-based protein powder
  • 1/3 cup almond flour (super-fine for best texture)
  • 2–3 tablespoons powdered erythritol or allulose (adjust to taste)
  • 1/4 cup unsweetened almond milk (more as needed for mixing)
  • 1 teaspoon vanilla extract
  • 1/4 teaspoon fine sea salt (skip if peanut butter is salty)
  • 1/2 cup sugar-free dark chocolate chips
  • 2 teaspoons coconut oil
  • Optional mix-ins: 2 tablespoons chopped roasted peanuts, 1 tablespoon chia seeds, or 1 tablespoon ground flaxseed

Method
 

  1. Prepare the pan: Line an 8x8-inch square pan with parchment paper, leaving overhang on two sides for easy lifting.
  2. Make the base: In a mixing bowl, combine peanut butter, protein powder, almond flour, sweetener, vanilla, and salt. Stir until thick and uniform. Add almond milk a little at a time until a soft, doughy mixture forms that holds together but isn’t sticky.
  3. Adjust texture: If the mixture is crumbly, add 1–2 teaspoons more almond milk. If it’s too wet, add a tablespoon of almond flour or protein powder.
  4. Fold in extras: If using chopped peanuts, chia, or flax, fold them in now for crunch and extra fiber.
  5. Press into pan: Transfer the base mixture to the lined pan. Press firmly into an even layer using a spatula or your hands. Smooth the surface.
  6. Melt the chocolate: In a microwave-safe bowl, combine chocolate chips and coconut oil. Microwave in 20–30 second bursts, stirring between each, until smooth. Alternatively, melt gently on the stovetop.
  7. Add the topping: Pour the melted chocolate over the peanut butter layer. Tilt the pan or use a spatula to spread it evenly.
  8. Chill to set: Refrigerate for 45–60 minutes, or until the chocolate is firm and the base is set.
  9. Slice cleanly: Lift the slab out using the parchment. Warm a sharp knife under hot water, dry it, and cut into 12–16 bars. Wipe and re-warm the knife between cuts for neat edges.
  10. Serve or store: Enjoy chilled for a firmer bite or at room temperature for a softer, fudgier texture.