Lemon Frozen Crunch

This is my great grandmother Bardella's recipe:

Crust:

2 cups Crushed Graham Crackers
1/4 cup Melted Butter
2 tbsp Sugar

Filling:

1 cup Evaporated Milk
1/3 cup Lemon Juice
2 Eggs
1/2 cup Sugar
1/2 tsp Salt
1 tbsp grated Lemon Rind

Mix graham crakers, butter and sugar together in bowl. Chill milk whip till stiff. Add lemon juice and whip very stiff. Beat eggs, sugar, and salt until thick and creamy. Fold in whipped milk and grated lemon rind. Put crust into pan. Add lemon mixture over crust. Sprinkle top with crust mix. Refrigerate.