1 pastry shell (9 inches), baked or 1 graham cracker crust (9 inches)
1 cup heavy whipping cream
2 tablespoons sugar
Shaved semisweet chocolate, optional
In a bowl, combine milk, lime juice and pineapple. Stir in food coloring if desired. Spoon into crust. In a small bowl, beat cream until stiff peaks form; beat in sugar, 1 tablespoon at a time. Spoon over filling. Sprinkle with chocolate if desired. Chill for at least 8 hours.