- Combine all berries, the 3 tablespoons sugar, and liqueur, if desired. Divide among six 8-ounce oval ovenproof dishes.
- Meanwhile, beat egg whites in a large bowl with an electric mixer on medium speed until soft peaks form (tips curl). Add the 6 tablespoons sugar, 1 tablespoon at a time, beating on high speed until stiff peaks form. Beat in lemon or orange peel. Spread over berry mixture. Bake in a 350 degree F oven for 10 minutes. Serve immediately. Makes 6 servings.