Chocolate Skillet Pie
["1 c. sugar", "1 Tbsp. flour (well rounded)", "3 Tbsp. cocoa (level)", "3 egg yolks", "1 c. milk", "3/4 stick butter or margarine", "1 tsp. vanilla"]
["Mix sugar, flour and cocoa. Beat egg yolks and add milk.", "Melt butter in skillet; stir dry mixture into butter until well mixed. Remove from heat; stir in liquid mixture and return to heat. Stir over heat until thick. Remove from heat. Add vanilla. Pour into baked pie shell. Cover with meringue. Bake slowly until browned."]
["sugar", "flour", "cocoa", "egg yolks", "milk", "butter", "vanilla"]