Chocolate Cheese Cake
["1 (8 1/2 oz.) pkg. chocolate wafers", "6 Tbsp. melted butter", "12 oz. chocolate chips", "3 (8 oz.) pkg. cream cheese", "1 c. sugar", "1 tsp. vanilla", "3 eggs", "8 oz. sour cream", "chocolate shavings"]
["Crush wafers; mix with melted butter using fork.", "Press into a 9 x 13-inch spring-form pan, leaving a 1-inch space at top.", "Melt chocolate chips in double boiler.", "Beat cream cheese, sugar and vanilla until smooth.", "Add melted chocolate chips.", "Add eggs 1 at a time.", "Add sour cream; mix until smooth.", "Pour into pan.", "Bake at 375\u00b0 for 1 hour.", "Cool on rack.", "After cooling, garnish with chocolate shavings."]
["chocolate wafers", "butter", "chocolate chips", "cream cheese", "sugar", "vanilla", "eggs", "sour cream", "chocolate shavings"]