Authentic Spring Rolls Recipe China, Asia

Name: Shanghai-Style Spring Rolls
Prep time: 30 min
Cook time: 2 h 20 min
Yield: 8 servings
Ingredients: 3 tbsp oil; 6 cups (420g) shredded napa cabbage (about 1/2 a medium head); 6 oz (180g) pork shoulder; salt; 2 tsp cornstarch; 3 tbsp water; 1 qt (950 ml) oil for deep-frying; 30-32 spring roll wrappers