Caramel Pie
["2 c. sugar, divided", "3 Tbsp. flour", "1/4 tsp. salt", "3 eggs, separated", "2 c. milk", "3 Tbsp. butter", "1 tsp. vanilla"]
["Rub 1 cup sugar in a heavy iron skillet; melt over low heat. Mix 1 cup sugar, flour and salt in a bowl.", "Combine egg yolks and milk, mixing well.", "Pour this into skillet with melted sugar; continue to stir constantly until smooth and thick.", "Remove from heat; add butter and vanilla.", "Pour into baked pie shell.", "Top with meringue.", "Bake until golden brown."]
["sugar", "flour", "salt", "eggs", "milk", "butter", "vanilla"]