– 1 1/2 c. ginger snap cookie crumbs (about 30 crushed cookies) – 4 Tbsp. butter, melted – 2 Tbsp. sugar Cheesecake Filling: – 1 (8 oz. pkg.) cream cheese, room temperature – 1/2 c. granulated sugar – 1 (.25 oz) envelope, unflavored gelatin – 1/4 cup cold water – 1 c. eggnog – 1 tsp. vanilla extract – 1 (8 oz.) container, frozen whipped topping, thawed