In a medium sized bowl add the pancake mix, egg, cold water, heavy cream, melted butter, vanilla and salt. Whisk until mixture is just combined and slightly lumpy.
Preheat a waffle maker according to the user's directions.
Add waffle batter to the wells, and cook according to the manufacturer's directions.
Remove waffles and set aside.
Spray a 6 and 7 inch springform pan, or one 9 inch springform pan with cooking spray.
Lay a waffle at the bottom of the spring form pan and fill in any gaps with additional pieces of waffle.
Arrange waffles up the sides, filling any gaps as well.
Split cheesecake mixture evenly between the 2 springform pans.
Add spoonfuls of blueberry filling to the top, and swirl the filling throughout the top of the cheesecake.
Bake for 35-40 minutes or until set, but slightly jiggly in the center.
Remove from the oven and cool for an hour before further cooling in the fridge for at least 3 hours or until cold.
Top with homemade whipped cream and additional blueberries.