2 1/2 tbsp. flour
1/2 c. milk
1/2 c. shortening
1/2 c. sugar
1/2 tsp. vanilla or almond flavoring
Dash of salt
3 to 3 1/2 c. powdered sugar

Combine the flour and milk in a saucepan and cook over low heat until thick, stirring constantly. Cool. Combine the shortening, sugar, vanilla and salt in a bowl and beat with mixer until fluffy. Add the flour mixture and beat for 1 minute longer.