Sweet and Sour Pork

Step 1
Place cubed pork in a medium bowl and season with soy sauce, salt, and sugar for marinade. Add egg white and green onions and mix until well-combined. Cover and place in the refrigerator for at least 1 hour.

Step 2
Heat 1 quart oil to 365 degrees F (185 degrees C) in a large, heavy saucepan or deep fryer.

Step 3
Coat pork with cornstarch and fry in hot oil until evenly browned, about 10 minutes. Drain on paper towels and set aside.

Step 4
Heat oil for vegetables in a wok over medium heat. Stir in celery, bell pepper, and onion; cook until tender, about 5 minutes. Season with pinch of sugar and salt. Remove from heat and set aside.

Step 5
Mix 1 cup water, 3/4 cup sugar, apple cider vinegar, ketchup, soy sauce, and salt in a large saucepan; bring to a boil over high heat.

Step 6
Stir in cooked pork, celery mixture, and pineapple chunks with juice. Return to a boil, then mix in remaining1/4 cup water and cornstarch. Cook until thickened and warmed through, about 2 minutes.