1 tall can evaporated milk, well chilled
2 pkg. lime Jello
3 c. boiling water
1/4 c. lemon or lime juice
1 c. sugar
2 c. chocolate wafer crumbs
1/3 c. melted butter

Mix butter and crumbs; put in bottom of pan for crust. Add juice and sugar to lime mixture and chill. When thickened some, add whipped Pet milk.

Fold together and pour over the crumbs and chill for several hours.