Gau Gee

Name: Gau Gee
Ingredients: 8 ounces ground pork; ½ cup roughly chopped water chestnuts; 2 tablespoons soy sauce; 2 tablespoons thinly sliced scallion; 1 tablespoon toasted sesame oil; 2 ¼ teaspoons granulated sugar; 1 teaspoon finely chopped peeled fresh ginger; ½ teaspoon finely chopped garlic; ¼ teaspoon kosher salt; 1 large egg; 1 ½ tablespoons water; ¼ cup cornstarch; 40 yellow egg wonton wrappers; Canola oil, for frying; Spicy Mayo Dip (see note)