Blackberry Whip

Ingredient

•  2 egg whites
•  dash salt
•  1/4 cup sugar
•  1 tablespoon fresh lemon juice
•  1 lemon rind, grated
•  1 pint blackberries

Beat egg whites with salt until stiff. Gradually beat in sugar, 1 tablespoon at a time. Beat until thick and glossy. Fold in lemon juice, lemon rind and washed, well drained blackberries. 
Chill.