Spray top and inside cover of 2 quart double boiler with vegetable spray. In mixer bowl, beat 3 egg whites until foamy. Beat in 3 tbsp. sugar, 1 tbsp. at a time; continue beating until stiff. Beat in 1 tsp. orange extract. Fold in 2 tbsp. orange marmalade.

Pour into top of double boiler. Cover; cook over boiling water 1 hour. Do not remove cover. Remove from heat; let stand until ready to serve, up to 30 minutes. Unmold onto hot plate.

6 servings (65 calories each)