Ingredients

  • 1 pound shrimp
  • 1/2 each egg whites beaten
  • 1 cup cornstarch
  • 1/2 teaspoon salt
  • 4 cups vegetable oil
  • 4 1/2 tablespoons sugar
  • 4 1/2 tablespoons ketchup
  • 1/4 cup vinegar
  • 1/2 teaspoon salt
  • 1 tablespoon sherry
  • 1/2 teaspoon cornstarch
  • 1 teaspoon vegetable oil
  • 2 large garlic cloves
  • 3/4 teaspoon ginger root
  • 1 tablespoon scallions, spring or green onions chopped
  • 1 teaspoon red pepper flakes
  • 1 teaspoon lemon zest
  • 1 teaspoon orange zest

Method

  • Peel and devein the shrimp.
  • Slice in halves lengthwise.
  • Rinse well and pat dry.
  • Add the egg white to the shrimp and mix well.
  • Mix 1 1/2 tablespoons cornstarch with salt and add to shrimp.
  • Stir to coat well.
  • Add 1 1/2 tablespoons oil and mix well again.
  • Place the shrimp in a bowl and refrigerate at least 2 hours.
  • Remove the shrimp and dust with remaining cornstarch.
  • Shrimp should be dry to the touch.
  • Heat the remaining oil in a large wok to 350 to 375F (190C).
  • Fry the shrimp 1 1/2 to 2 minutes until crisp, being careful to separate them with a long- handled wooden spoon or chopsticks to prevent sticking.
  • It may be necessary to fry the shrimp in several batches.
  • When done, remove the shrimp with a slotted spoon and drain well.
  • Combine the shrimp and the sweet and pungent sauce and toss quickly to coat.
  • Immediately turn out onto a platter and sprinkle with finely chopped green onions.
  • For the sauce, combine the sugar, ketchup, vinegar, and salt, and set aside.
  • Heat the oil in a wok.
  • Add the garlic, ginger, green onion, red pepper, and zests of lemon and orange; cook 30 seconds.
  • Stir in the sugar-ketchup mixture.
  • Immediately add the sherry mixture and cook until slightly thickened.