Vietnamese Pork Meatballs in Tomato Sauce (Xiu Mai)

Ingredients

• 500 gram ground pork
• 1 small onion (finely chopped)
• 2 cloves garlic (minced)
• 150 gram jicama (peeled and grated)
• 100 gram carrot (grated)
• 4 tablespoon cilantro (chopped)
• 2 tablespoon oyster sauce
• 2 tablespoon fish sauce
• 1 tablespoon cornstarch
• 1 teaspoon sugar
• 0.5 teaspoon ground black pepper
• 1 tablespoon vegetable oil (for frying)
• 1 tablespoon vegetable oil
• 120 milliliter tomato sauce
• 240 milliliter chicken broth
• 1 tablespoon sugar
• 2 tablespoon cornstarch slurry (mixed with 2 tbsp water)