1. Preheat oven to 350°F. Line a baking sheet with parchment paper.
2. Beat together peanut butter, egg, banana, and maple syrup until fully combined.
3. Slowly mix in flour until dough is crumbly but forms a ball. Add 2–3 tbsp water if needed.
4. Roll dough ½ inch thick on a floured surface. Cut into shapes with cookie cutter.
5. Place on baking sheet and bake 15–25 minutes, or until golden brown.
6. Cool completely before serving. Store in airtight container or freeze for later.

Woof-licious and tail-wagging good!