Preheat your oven to 350° and a line a baking sheet with parchment paper In a large mixing bowl, mash your banana Now add peanut butter, beef broth, and a 1/3 cup of flour at a time until well mixed Use a spatula to take all your dough out of your bowl and form into a large dough ball with your hands Roll your dough out with a rolling pin and use a bone cookie cutter to cut out your bone shaped dough, press your fork in the middle of the bones Bake your bone dog biscuits on your parchment paper lined baking sheet for about 16-18 minutes, depending on how thick your dough is Let cool and give one to your happy pup!