01 - In a large mixing bowl, combine the oats, protein powder, chia seeds, cinnamon, nutmeg, and salt. Mix thoroughly to ensure even distribution of spices.
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. Distribute evenly throughout the dough.
04 - Using your hands or a small cookie scoop, roll the mixture into 12 evenly sized balls, approximately 1 inch in diameter.
05 - Arrange the balls on a parchment-lined tray and refrigerate for at least 30 minutes to firm up before serving.
06 - Store in an airtight container in the refrigerator for up to one week, or freeze for up to 3 months.