01 -
In a large mixing bowl, combine the natural peanut butter and honey (or maple syrup) until thoroughly mixed.
02 -
Add the rolled oats, protein powder, and ground flaxseed (if using) to the peanut butter mixture. Stir until all ingredients are combined.
03 -
Mix in the vanilla extract and a pinch of salt, then fold in the mini chocolate chips if desired.
04 -
Use your hands to scoop and roll the mixture into small balls, about 2.5 cm in diameter.
05 -
Place the balls on a baking sheet lined with parchment paper. Refrigerate for at least 30 minutes to firm up the balls.
06 -
Once set, transfer to an airtight container and store in the refrigerator for up to a week or freeze for longer storage.