Chocolate Pie
["1 c. sugar", "3 eggs", "1 1/2 c. milk (more if needed)", "3 heaping Tbsp. flour", "1/2 stick butter, softened", "1 tsp. vanilla", "3 heaping Tbsp. cocoa", "2 pie shells, baked"]
["Cook mixture until thick.", "Beat with mixer until smooth.", "Put in pie shells and cool."]
["sugar", "eggs", "milk", "flour", "butter", "vanilla", "cocoa", "pie shells"]