In a large mixing bowl, mix your oats with protein powder until combined. Add your peanut butter and syrup and mix well. Fold through your mix ins of choice.
Lightly wet your hands (or spray them with cooking spray). Form 20-24 small balls of dough. Place on a plate and refrigerate until firm.
* Any nut or seed butter can be used.TO STORE: Place no bake balls in a sealable container and keep in the fridge. They will keep fresh for up to 4 weeks.TO FREEZE: If you make a big batch of these balls, they can be placed in a ziplock bag and stored in the freezer for up to 6 months.