Chocolate Cheesecake - cooking recipe

Ingredients

1 box thin chocolate wafer cookies, crushed
1/4 c. butter, melted
1/4 tsp. ground cinnamon
1 (12 oz.) pkg. semi-sweet chocolate bits
2 lb. cream cheese, softened
2 c. sugar
4 eggs
3 tsp. cocoa
2 tsp. vanilla extract
2 c. commercial sour cream

Preparation

Combine crushed wafers with butter and cinnamon.
Press into bottom and sides of a 10-inch spring-form pan.
Chill.
Melt the semi-sweet chocolate in top of double boiler over warm water. Beat softened cream cheese in large mixer bowl until fluffy and smooth.
Gradually beat in sugar, then eggs, one at a time, beating after each addition.
Add melted chocolate, cocoa and flavoring; blend thoroughly.
Stir in sour cream; pour into chilled crust.
Bake at 350\u00b0 for 1 hour and 10 minutes.
Cool at room temperature, then chill at least 5 hours before serving. Freezes well.