3 egg whites
1 c. sugar
1/4 tsp. salt
1 tsp. vanilla

Heat oven to 300 degrees. Combine egg whites, sugar, salt and vanilla in top of double boiler. Place over boiling water and beat with mixer, scraping sides and bottom of pan occasionally until mixture forms stiff peaks. Drop by spoonfuls and bake on slightly greased baking sheet until just set. 20 calories each.