For a softer, cookie-dough texture, pulse 1 cup of the oats in a food processor 5–8 times until coarsely ground. Leave the remaining 1/2 cup whole for chew.
In a medium bowl, stir together pumpkin puree, nut/seed butter, maple syrup, and vanilla until smooth and glossy.
Add pumpkin pie spice and salt. Stir again so the spice disappears into the mixture—no spice pockets allowed.
Fold in oats (ground + whole), flax or chia, and protein powder if using. The mixture should be thick, slightly tacky, and hold together when pressed.
Stir in chocolate chips and any extras (nuts, cranberries). If it's too sticky, add 2–3 tablespoons more oats. Too dry? Drizzle 1–2 teaspoons more maple or a splash of milk.
Pop the bowl in the fridge for 15–20 minutes. This firms the mix and makes rolling easy.
Scoop about 1 heaping tablespoon per bite and roll into 1-inch balls. You should get 16–20 bites.
Roll in crushed nuts, coconut, or a light dusting of cinnamon for extra texture.
Chill bites for 30 minutes to set. Then transfer to an airtight container.