In a large bowl, mix together mushed banana, grated apple, and egg, until well combined.
In a separate medium-sized bowl, whisk together whole wheat flour and baking powder.
Gently stir dry ingredients into wet ingredients until just combined.
Lightly butter a skillet over medium heat and pour about 3 Tbsp of batter onto the skillet. Cook pancake for about 2 minutes on each side.
Top pancakes with whipped cream and sprinkles, if desired.
Let your dog enjoy!