Old-Fashioned Buttercream Frosting
["2 1/2 Tbsp. flour", "1/2 c. milk", "4 Tbsp. softened butter", "4 Tbsp. Crisco", "1/2 c. sugar", "1 tsp. vanilla"]
["In small saucepan, stir flour and milk smooth.", "Cook over low heat until thickened, stirring constantly.", "Remove from heat; let cool.", "In bowl, cream butter, Crisco, sugar and vanilla.", "Add milk/flour mixture to butter mixture and beat with electric mixer until smooth."]
["flour", "milk", "butter", "Crisco", "sugar", "vanilla"]