In a large saucepan, combine rice, water, butter, lemon peel and salt.
Bring to a vigorous boil and cover.
Turn heat down.
Simmer until all liquid is absorbed, about 5 minutes.
Combine pudding mix and milk and make pudding according to directions on package.
Fold rice into pudding.
Place berries, sugar and sherry into blender container and pure"e.
Use as a topping for rice pudding.
Garnish with additional strawberries and mint leaves, if desired.