Preheat oven to 350°F (175°C) and line a baking sheet with parchment paper

Pulse rolled oats in a food processor until coarse flour forms

In a bowl, mix pumpkin purée, egg, melted coconut oil, and peanut butter until smooth

Stir in ground oats until a thick dough forms

Add water 1 tablespoon at a time if dough is crumbly

Roll dough into 4–5 inch stick shapes and place on baking sheet

Bake for 25–30 minutes, flipping halfway through

For firmer sticks, bake an extra 5–10 minutes at 300°F

Cool completely before serving