Beef Wonton

Name: Beef Wonton
Prep time: 20 min
Cook time: 10 min
Total time: 30 min
Cuisine: Chinese
Ingredients: 40 wonton wrappers; 1 cup ground beef; 1 cup chopped scallion white; 1 tsp. Chinese five spice powder; 1/2 cup chicken stock ( ,boiling hot); 1/2 tbsp. Sichuan peppercorn; 1 tsp. salt; 1 tbsp. minced ginger; 1 smaller egg ( ,optional); 1/2 tbsp. light soy sauce; 1 tsp. sugar; 1/2 tbsp. sesame oil; 1 tbsp. chili oil or to taste; 1/2 tbsp. black vinegar (optional); 1 tsp. minced garlic; 1 tsp. chopped scallion; salt to taste; a small pinch of white pepper; ¼ tsp. salt; ¼ tbsp. white pepper; 1 tbsp. chopped scallion; 1 cup hot chicken stock