Shanghai rolls (lumpiang shanghai)

Ingredients

• 250 grams ground beef
• 250 grams ground pork
• 2 tbsp light soy sauce
• 1 tsp salt
• 4 tsp rice wine
• 2 tsp sugar
• 1 tsp ground white pepper
• 4 tbsp cornstarch
• 1/2 cup carrots grated
• 1/2 cup celery chopped
• 1/2 cup singkamas ( Jicama or Turnip in other terms) chopped
• 2 tbsp onion chopped
• 6 cloves garlic grated
• 1 large egg
• 1 pack of Spring Roll Wrapper ( large)
• some oil for frying

For the sauce:

• 1 1/2 cup water
• 4 tbsp sugar
• 4 tbsp vinegar
• 4 tbsp ketchup
• 1/2 tsp salt
• 4 tbsp cornstarch diluted in 4 tbsp water
• 2 tbsp light soya sauce
• 1 tsp dried chili flakes