Meringue Crust 

2 egg whites
1/4 teaspoon cream of tartar
1/4 teaspoon salt
1/2 teaspoon vanilla extract
1/2 cup white sugar
                   
1. In a large bowl, beat egg whites, cream of tartar, and
   salt until soft peaks form. Add vanilla, and slowly beat in
   sugar until very stiff and glossy. Spread mixture into a 9
   inch pie plate to form a shell. 
2. Bake at 300 degrees F for 50 mins. Turn oven off, and leave
   meringue in oven for 1 hour. Cool.