Combine graham cracker crumbs, sugar, and margarine and press onto bottom of a 9 inch springform cake pan. Bake for about 10 minutes, and remove from oven
Increase oven temperature to 450 F
Combine cream cheese, sugar, and flour mixing at medium speed with an electric mixer until well blended.
Add eggs, one at a time, mixing well after each addition
Blend in sour cream
Dissolve coffee powder and cinnamon in boiling water; let cool
Gradually add coffee mixture to cream cheese mixture, mixing until well blended
Pour over crust and bake at 450 F for 10 minutes
Reduce oven temperature to 250 F and continue baking for 1 hour
Loosen cake from pan; let cool before removing rim of pan
Whipped cream and whole coffee beans make a simple garnish for this cheesecake; with the Oreo cookie crumbs you can buy nowadays for the crust, combined with dark chocolate-covered coffee beans and a chocolate whipped cream for garnish, give it more of a mocha flavor....yummy!