Beat 3 egg whites until frothy. Beat in 3/4 cup superfine sugar and a pinch each of cream of tartar and salt until stiff peaks form. Add 1 teaspoon peppermint extract and swirl in 2 drops red food coloring. Drop by tablespoonfuls and bake about 1 hour at 300 degrees. Turn off the oven and keep meringues inside for 2 hours to dry.