Reduce oven to 300°F (148°C).
In a large bowl, mix the cream cheese, sugar, flour and cinnamon until combined (Use low speed to keep less air from getting into the batter, which can cause cracks). Scrape down the sides of the bowl.
Add the sour cream and vanilla extract. Beat on low speed until well combined.
Add the eggs one at a time. Beat until well combined. set the filling aside.
In a small bowl, combine the cinnamon and sugar for the cinnamon sugar filling
Add about filling into each cupcake, then sprinkle some cinnamon sugar over the filling, fully covering the filling. Repeat the layers.
Bake the cheesecakes for 15-17 minutes, then turn off the oven and leave the door closed for another 5 minutes.
Crack the oven door and allow cheesecakes to cool for 15-20 minutes, then put in the fridge to finish cooling.