Never Fail Egg Custard
["1 c. milk", "1/8 tsp. salt", "2 to 3 eggs", "vanilla", "3 Tbsp. melted butter", "1 Tbsp. flour", "2/3 c. sugar"]
["Melt butter; add sugar, vanilla, flour, salt, milk and eggs. Mix well.", "Pour into unbaked pie shell.", "Cook 30 minutes at 350\u00b0."]
["milk", "salt", "eggs", "vanilla", "butter", "flour", "sugar"]