Mom's Sweet and Sour Pork

This was the dish I always asked my Mom to make for my birthday growing up. It takes a bit of time, but it is sooo good!

1 cup pork loin cut in 1 inch squares.
1 whole green pepper cut in diamond shape pieces
6 pieces 1 inch long green onion
2 T preserved ginger, sliced
1 T. corn starch
6 C. melted lard

Suace
4 T vinegar
4 T sugar
1 tsp. salt
2 T. hot water
2 T. Worschester sauce
3 T. catsup
1 tsp. corn starch

Pound pork until thin then cut into 1 inch squares.
Sprinkle with salt.
Make paste with 1 T. corn starch and 1 T. water. Add to pork.
Work well with fingers to mix.
Let stand 15 minutes.
Cut vegetables and set aside.
Make sauce and set aside.
Roll pork squares one at a time in 2 tsp. corn starch until all are evenly coated,
Melt 6 lard, heat until hot; do not boil.
Slowly slip in pork, 2 or 3 pieces at a time. Fry for 5 minutes until brown.
Take pan from heat and remove pork. Drain lard.
Put pan back on heat with only 1 T lard in it. When hot add vegetables and cook 2 or 3 minutes. Add sauce and pork and stir gently. Serve.