Maple-Pumpkin Cheesecake

1 graham cracker crust in 8 springform pie pan
1 lb low-fat cottage cheese
1/2 c plain low-fat yoghurt
3/4 c pumpkin puree
1/4 c flour
3 eggs
1 ts vanilla
1/4 c maple syrup
1/2 ts pumpkin pie spice

Preheat overn to 325. Put all ingredients into blender, a little at a time, alternating wet and dry. Process until smooth, then pour into crust and spread evenly. Bake for about 50 minutes. Let cool before serving. May be topped with yoghurt flavored with 2 Tbs maple syrup.