Lemon Sponge Cake

Directions

1. 1
   Preheat oven to 350 degrees F.
2. 2
   Roll out crust and line pie pan with crust.
3. 3
   Leave unbaked and chill in fridge while you prepare the filling.
4. 4
   Beat egg yolks; beat in lemon peel, lemon juice and milk.
5. 5
   Add sugar, flour and salt; beat until smooth.
6. 6
   In a separate large bowl, beat egg whites with an electric mixer until stiff peaks form.
7. 7
   Add 1/3 of the egg whites to the lemon mixture and beat them together thoroughly.
8. 8
   Fold the lightened lemon mixture into the remaining egg whites, stopping when there are no white streaks remaining.
9. 9
   Pour into pastry-lined pie plate.
10. 10
    Bake until golden brown, 45 to 50 minutes.
11. 11
    Serve with sweetened whipped cream if desired.