Making your dog homemade treats is an excellent way to keep him happy. Simple ingredients that you likely already have on hand, like flour, milk and sugar, make for a great occasional treat for your pup. Treats that contain sugar should be given to your dog very sparingly, as dogs' bodies are not well equipped to handle a lot of the sweet stuff and it could make him sick. However, a very occasional sweet treat for your dog is all right.
Preheat the oven to 350 degrees Fahrenheit.
Beat together peanut butter, milk, sugar, olive oil and egg white on low speed until well mixed.
Add in whole wheat flour a quarter cup at a time and mix until a smooth dough forms, scraping down the sides of the bowl if necessary.
Roll dough in half-teaspoon-sized balls and place them two inches apart on a baking sheet lined with parchment paper. Lightly flatten each ball of dough using the prongs of a fork in a criss-cross pattern, much as you would a peanut butter cookie.
Bake treats for 8 to 10 minutes or until the edges just begin to brown, then remove the baking sheet from the oven and let the treats rest for five minutes. Remove the treats with a spatula or pancake turner to a cooling rack and allow them to cool completely before serving them to your dog.
Store unused treats in an airtight container at room temperature for about one week. To lengthen their shelf life, store treats in the freezer in a zippered freezer bag for up to three months. Allow treats to thaw for one hour before serving them to your pooch.