In a medium-sized bowl, mix together the flour, sugar, and cinnamon until blended. Cut the butter into pea sized pieces over the bowl, stopping to stir every few minutes to coat the butter pieces in the flour mixture.
Remove from the oven and remove and discard the aluminum foil. Press down any areas of the crust where air bubbles have formed. Add the cheesecake filling and bake until edges are set but the center is still very slightly wobbly, about 15 to 20 more minutes. Remove from the oven and allow to cool to room temperature before removing the sides of the pan. Refrigerate for at least 1 hour to help firm up the filling.