Shrimp or Crab Pillows Served with Sweet and Sour Sauce

Name: Shrimp or Crab Pillows Served with Sweet and Sour Sauce
Ingredients: For the seafood filling; • 1 extra large egg, separated, yolk reserved only if baking; • 2 teaspoons dry sherry; • 2 teaspoons cornstarch; • 2 teaspoons fresh ginger, grated on a microplane; • 3 slices bacon, cooked until crispy and crumbled into small bits; • 1/2 pound medium-size raw shrimp, shelled, deveined and finely chopped or 1 cup cooked crab, lightly squeezed and flaked; • 1/2 cup finely chopped raw shitake mushrooms,; • 2 tablespoons fresh cilantro leaves, finely chopped; • Salt to taste, about 1 teaspoon; • About 2 teaspoons sesame seeds; • 6 sandwich-size slices firm, day-old white bread, cut in 2 crosswise; • Canola or vegetable oil for deep frying; For the sweet and sour sauce; • 1 tablespoon cornstarch; • 3 tablespoons light brown sugar; • 3 tablespoons wine vinegar; • 1 tablespoon soy sauce; • 2 tablespoons tomato-based chili sauce; • A dash of cayenne pepper; • 1/2 cup chicken broth