Slice chicken breast thinly and then cut them into bite size pieces.
Mix together in a bowl soya sauce, sherry, ginger, sesame oil, salt, sugar.
Add the chicken pieces and mix well.
Let it marinate for 1 hour.
Divide the rice paper or butter paper into 5" squares, and place on each a snow pea, a few slices of spring onion and 2 pieces of chicken.
Fold up like an envelope, or twist both the ends and secure each piece of chicken.
Mix the cornflour and water to make a paste.
Seal the upper fold of each envelope with this paste.
Heat oil in a heavy bottomed pan and fry 7 to 8 envelopes at a time over high heat for 1 1/2 minute.
Drain on absorbent paper and serve hot with paper on.
Can also be served as a snack with sauce.
VEGETARIAN VERSION:
Use cooked and seasoned soya nuggets or slice of cottage cheese with snow peas instead of chicken and follow the recipe as above.