4 egg whites
1 cup fine sugar
1/2 tsp. vanilla
3/4 tsp. white vinegar

1. Beat egg whites.  Add 1/3 of the sugar, beat until dissolved.
2. Slowly add remaining sugar, beating after each addition.
3. Add vanilla and vinegar and beat.
4. Bake at 250 for 1.5 hours.
5. Cool in oven with door ajar.