Butterscotch Pie
["1 1/2 c. brown sugar", "1/2 c. granulated sugar", "4 Tbsp. flour", "2 c. milk", "1/2 stick margarine", "1 tsp. vanilla flavoring", "2 eggs, beaten", "1 (9-inch) baked pie shell"]
["Combine brown sugar, sugar and flour in heavy saucepan.", "Stir in milk and eggs.", "Cook on medium-high heat until comes to boil, stirring constantly.", "Cook for 5 minutes.", "Stir in margarine and flavoring.", "Remove from heat.", "Allow to cool for 5 minutes.", "Pour in pie shell.", "Cool and serve with Cool Whip."]
["brown sugar", "sugar", "flour", "milk", "margarine", "vanilla flavoring", "eggs", "shell"]