1 pkg. chocolate wafer cookies
1/2 tsp. cinnamon
1/2 c. melted butter
1 c. sugar
4 eggs
1 1/2 lbs. cream cheese
16 oz. semi sweet chocolate
1 tsp. vanilla
2 tbsp. cocoa
3 c. sour cream
1/4 c. sweet butter

Mix first 3 ingredients to form a crumb crust; press into spring form pan; chill.

Beat sugar with eggs until light and fluffy; add cream cheese graudally, beating well. Melt chocolate and add to egg mixture with vanilla, cocoa, sour cream, beating constantly. Add melted sweet butter; mix well. Pour into crust and bake at 350 degrees for 45 minutes. Chill overnight. Garnish with chocolate shavings.