Combine dry ingredients: in a large bowl, add oats, cocoa powder, and protein powder. Stir until mixed.

Add sweeteners and chia seeds: sprinkle chia seeds and pour in honey or maple syrup. Mix thoroughly until well-coated.

Incorporate nut butter: add peanut butter and blend until the dough resembles a thick texture.

Chill the mixture: cover and place in the refrigerator for at least 30 minutes.

Shape the bites: roll the mixture into bite-sized balls and place on a lined tray.

Store the bites: let sit for 10 minutes, then transfer to an airtight container and refrigerate.