01 - In a large mixing bowl, combine the oats, protein powder, chia seeds, cinnamon, nutmeg, and salt.
02 - Add the pumpkin puree, almond butter, maple syrup, and vanilla extract to the dry ingredients. Stir until a thick, cohesive dough forms.
03 - Fold in chocolate chips and nuts, if using.
04 - Using your hands or a small cookie scoop, roll the mixture into 12 balls.
05 - Arrange the balls on a parchment-lined tray and refrigerate for at least 30 minutes to firm up.
06 - Store in an airtight container in the refrigerator for up to one week.