01 -
In a medium bowl, stir together the peanut butter, honey, coconut oil, and vanilla until smooth and well combined. Add the flaxseed meal and protein powder, mixing with a spoon until it gets too thick, then use clean hands to work everything together. You should end up with a consistency similar to cookie dough.
02 -
Press the mixture firmly into an 8x4 inch pan that's been lined with parchment paper, creating an even layer.
03 -
Melt the dark chocolate in a small saucepan until completely smooth. Pour the melted chocolate over the peanut butter layer, tilting the pan to ensure the chocolate spreads evenly across the entire surface.
04 -
Refrigerate for 30 minutes to 1 hour until set. Cut into 10 bars or squares (squares tend to work especially well). Store covered in the refrigerator for up to two weeks.