Mix all ingredients, oat flour, egg, and banana, in a mixing bowl until combined well.
Add teaspoons of water to mixture if batter is too dry.
When the pan is heated, pour the batter into the heart-shaped cookie cutter.
Use oven mitts to very carefully remove the cookie cutter as the batter starts to cook. It will be HOT.
Depending on the thickness of the dog pancake, cook each pancake for about 2 minutes on each side.
Allow pancakes to cool.
Optionally add toppings such as greek yogurt and strawberries before giving to your dog to enjoy.