this is the one we use

1 cup plain (all-purpose) flour

½ cup salt

2 tablespoons cream of tartar

2 tablespoons vegetable oil

1 cup water with food coloring added

put all together in a sauce pan, over medium heat, mix till it looks like playdough!! (sorry tis what is says in our recipe)
store in air tight container, soak pan for a while and it will clean off easily,