2 tbsp. flour
1/2 c. milk
1/4 c. butter
1/4 c. shortening
1/2 c. sugar
1 tsp. vanilla

Mix flour and milk in saucepan. Cook until thick, put in dish to cool. Mix butter and shortening. Add sugar slowly. Beat 4 minutes on high speed. Add flour paste, beat 4 minutes. Blend in vanilla. Put in refrigerator for 30 minutes, then put on Lizzies Banana Cake.