2 unbeaten egg whites
1 c. sugar
1 tbsp. water
3 tbsp. lemon juice
1/2 tsp. grated lemon rind
16 marshmallows

Combine in top of double boiler egg whites, sugar, water and lemon juice. Beat with electric mixer for 7 minutes. Remove from fire and add lemon rind. Beat in quartered marshmallows. Spread on cake.