01 - In a large mixing bowl, combine the oats, protein powder, chia seeds, cinnamon, nutmeg, and salt until evenly distributed.
02 - Add the pumpkin puree, almond butter, maple syrup, and vanilla extract to the dry mixture. Stir thoroughly until a thick, cohesive dough forms.
03 - Fold in chocolate chips and nuts if desired, ensuring even distribution throughout the dough.
04 - Using your hands or a small cookie scoop, roll the mixture into 12 evenly sized balls, applying gentle pressure to hold shape.
05 - Arrange the balls on a parchment-lined tray and refrigerate for at least 30 minutes until firm.
06 - Transfer to an airtight container and refrigerate for up to one week, or freeze for up to three months.