In another large bowl, beat the cream cheese with an electric hand mixer until it is smooth.
Add in the sugar, sour cream, and mix at medium speed for a couple of minutes until nice and smooth.
Stir in the egg, vanilla extract, and salt at low speed until just combined.
Pour the mixture into the prepared graham cracker crust, smooth it evenly over the top.
Bake the cheesecake for for 35 to 40 minutes, or until the edges are set and the center is slightly jiggly.
Remove the cheesecake from the oven and let it cool to room temperature. Then place it in the fridge to chill for at least 2 hours, up to 3 days.
Cut the cheesecake into bars.
Spoon a couple of Tablespoons of the cherry pie filling over the top of each bar. Serve.