Sweet and Sour Pork

Ingredients

• 2 tablespoons cooking oil
• 2 tablespoons water
• 1/2 teaspoon salt
• 1 tablespoon water
• oil for deep-frying
• 1 egg white
• 2 teaspoons vinegar (white vinegar for the color)
• 1 inch root ginger
• 2 teaspoons cornstarch
• 2 tablespoons tomato sauce
• 1 tablespoon sugar
• 1 teaspoon salt
• 1 teaspoon white pepper powder
• 1/2 pound pork tenderloin
• 1 teaspoon roasted sesame seeds
• 1 tablespoon cornstarch
• 1 teaspoon cornstarch