3 egg yolks
1 can Eagle Brand condensed milk
4 tsp. vanilla
1 - 1 1/2 c. crushed Oreo's (12-18 cookies)
2 c. whipped cream (not Cool Whip)

Mix all ingredients well and pour into a baked pie shell. Freeze for 6 hours before serving. Cookie crumb crust may be used instead of pastry shell.