English Egg Sauce

Ingredients

• 2 tablespoons vegetable oil
• 4 cloves garlic, minced
• 1/2 cup finely chopped onion
• 1 tablespoon grated fresh ginger
• 3 tablespoons soy sauce
• 2 tablespoons oyster sauce
• 1 tablespoon rice vinegar
• 1 teaspoon sesame oil
• 1/2 teaspoon white pepper
• 1/4 teaspoon ground Szechuan peppercorns
• 1/4 teaspoon red pepper flakes
• 1/4 cup chicken broth