Start by processing the oatmeal into a fine powder. Then add in the pumpkin and peanut butter and process until smooth.
Place the mixture onto a sheet of parchment paper and flatten it out with your hands.
Use a cookie cutter to cut out as many treats as possible.
Carefully remove the excess mixture around the shapes. Save that excess mixture for your next batch of treats. Transfer the parchment paper onto a cookie sheet.
Bake in a 350 degree oven for 30 minutes. Let cool.
Transfer the dog treats into a mason jar to keep them fresh.