Chocolate Pie
["1 c. sugar", "5 heaping Tbsp. flour", "5 Tbsp. cocoa (level)", "1/2 tsp. salt", "2 1/2 c. boiling water", "2 tsp. vanilla", "1 Tbsp. margarine"]
["Mix sugar, flour, cocoa and salt together.", "Pour into boiling water and cook until thick.", "Add butter and vanilla; stir until blended.", "Pour into baked pie shell.", "Top with meringue."]
["sugar", "flour", "cocoa", "salt", "boiling water", "vanilla", "margarine"]