3 tbsp. flour
1 c. milk
Pinch salt
1/2 tsp. vanilla
1/2 c. butter
1/2 c. shortening
1/2 tsp. lemon, optional
1 c. granulated sugar

Dissolve flour, milk and salt in sauce and cook slowly until thick. Let cool in the refrigerator. Mix butter and shortening with the milk and flour. Put into a mixer bowl and add granulated sugar, gradually. Beat on high until fluffy and forms a peak. Add lemon and vanilla. This recipe remains soft, will not form a crust.