Stir-Fried Beef with Pineapple

8 oz. fillet of beef
2 oz. pineapple pieces
2 oz. crushed ginger
2 fl.oz vegetable oil
1 spring onion
2 teaspoons dry sherry
Seasoning one:
1 beaten egg white
1/2 teaspoon salt
2 teaspoons of vegetable oil
2 teaspoons of cornflour
Seasoning two:
2 tablespoons chicken stock
1/2 teaspoon salt
1/2 teaspoon sugar
1 tablespoon light soy sauce
1/2 teaspoon cornflour

1. Partially freeze beef, cut across grain into thin slices. Cut into strips
of 1x2 inches.

2. Mix ingredients from seasoning one into a bowl. Coat meat with
seasoning and leave to marinate for 60 minutes.

3. Cut the pineapple into pieces, slice onion. Put all ingredients from
Seasoning two in a bowl and mix well.

4. Heat oil in a wok, stir fry onion and ginger for 1 minute, set aside keep
warm.

5. Add beef to wok, fry until brown, add wine, and seasoning two. Mix, simmer
for 2 minutes, add pineapple and onion and ginger, mix and fry for 2
minutes, until heated through.