Combine all ingredients in a bowl and mix well to combine.
Let the mixture sit for about 5 minutes so that the oats can soak up some of the moisture.
Drop by tablespoon sized scoops onto a cookie sheet lined with parchment paper, a baking liner, or sprayed with non-stick cooking spray. Press them down with a spoon or a fork to flatten a little.
Bake at 350°F for 12 - 15 minutes. Cookies will be done when the oats are slightly browned and the cookies are slightly firm, but also spongey, like the top of a cupcake.
Store cookies in an air-tight container at room temperature for 3 -5 days or up to a week in the refrigerator. You can freeze them for up to 6 months. Make sure that you let the cookies cool before serving them to your dogs :)