1 (8 oz.) pkg. chocolate wafers, finely crushed
1/2 c. butter, melted
24 oz. cream cheese, softened
3/4 c. sugar
4 eggs
12 semi-sweet chocolate chips, melted and cooled
1 c. sour cream
1/2 c. Amaretto liquor
4 tbsp. butter, melted
1 tsp. vanilla
1 c. sour cream
2 tbsp. Amaretto liquor

Combine crushed cookies and 1/2 cup melted butter, press firmly in bottom of pan and 2 inches up on sides of 9 inch springform pan. Chill. Beat cream cheese and sugar until fluffy. Add eggs one at a time - beating well after each. Blend in melted chocolate and first cup sour cream and 1/2 cup Amaretto liquor, the 4 tablespoons butter and vanilla.

Pour into prepared crust and bake at 350 degrees for 60-65 minutes; or until set. Stir together remaining sour cream and the 2 tablespoons Amaretto liquor and spread over cheesecake. Return to oven for 3 minutes. Cool, cover and chill. Garnish with toasted almonds, if desired.