2 1/2 tsp. Knox gelatin
1 1/2 c. milk
3 egg yolks
1 1/2 tsp. vanilla
3/4 c. kahlua
3 egg whites
3/8 tsp. salt
3 tbsp. sugar
1 1/2 c. whipping cream
1 1/2 c. Hydrox cookies, crushed