Combine sugar and cornstarch in heavy saucepan; gradually add buttermilk, stirring until well blended. ... until thick and lemon colored. Gradually stir in about ... minutes or until browned.
Cream shortening. Add sugar, and ... and mix with buttermilk. Add buttermilk and flour ... beat well. Add lemon extract last. Bake at 325 ... glaze of spreading consistency.