pumpkin cheesecake...

crust:
1 3/4 cup graham cracker crumbs
3 T light brown sugar
1/2 t cinnamon
1 stick melted butter

filling:
3 (8 oz) packages cream cheese (at room temp)
1 (15 oz) can pumpkin
3 eggs plus one egg yolk
1 1/2 cup sugar
1/4 cup sour cream
1 t pumpkin pie spice
2 T flour
1 t vanilla extract

for crust:

in bowl combine graham cracker crumbs, sugar, cinnamon and butter and press down flat into 9 inch spring form pan.  set aside.

for filling:

beat cream cheese until smooth.  add pumpkin, eggs, sour cream, sugar and spices.  then add flour and vanilla and beat until well combined and smooth.  pour into crust and bake at 350 for one hour.  remove from oven and let sit for 15 minutes then cover with plastic wrap and put in fridge for at least 4 hours.