01 - In a large mixing bowl, combine oats, protein powder, cinnamon, nutmeg, ginger, and salt.
02 - In a separate bowl, stir together pumpkin puree, nut butter, maple syrup, and vanilla extract until smooth.
03 - Add the wet mixture to the dry ingredients. Stir until well combined and a thick dough forms.
04 - Fold in chocolate chips and nuts, if using.
05 - Scoop out heaping tablespoons of the mixture and roll into balls using your hands (about 1 inch in diameter).
06 - Place the bites on a parchment-lined tray or plate.
07 - Chill in the refrigerator for at least 30 minutes before serving to help them set.