Coconut Cream Pie

For Crust

To prepare crust, preheat oven to 275°F (140°C). Stir together egg whites, sugar, flour and vanilla until sugar has half-dissolved. Stir in coconut until evenly coated with egg mixture. Grease a 9-inch (23-cm) pie plate and press in crust, dipping your fingers in a cup of cool water wh