Perfect Potstickers

Name: Perfect Potstickers
Ingredients: 1/2 pound ground pork; 1/4 cup scallions ; chopped; 2 tablespoons red bell pepper ; chopped; 1 large Egg ; beaten; 2 teaspoons ketchup; 1 teaspoon yellow mustard; 2 teaspoons Worcestershire sauce; 1 teaspoon light brown sugar; 1 1/2 teaspoons kosher salt; 1/2 teaspoon black pepper ; ground; 1/4 teaspoon cayenne pepper; 35 small wonton wrappers; 3 tablespoon vegetable oil ; for frying; 1 1/3 cups chicken stock ; divided