Black Walnut Pie
["1 c. sugar", "6 Tbsp. flour", "1/4 tsp. salt", "2 egg yolks, beaten", "2 c. milk", "1 tsp. vanilla", "2 tsp. butter", "1 c. black walnut meats, chopped", "1 graham cracker pie shell", "1 recipe meringue"]
["Sift sugar, flour and salt together; add to egg yolks.", "Add milk and cook over boiling water until thickened.", "Add vanilla and butter.", "Cool.", "Add nut meats and pour into crumb shell.", "Spread with meringue; bake as directed."]
["sugar", "flour", "salt", "egg yolks", "milk", "vanilla", "butter", "black walnut meats", "graham cracker pie shell", "recipe meringue"]