Vietnamese fried rice cake with egg (Bánh bột chiên)

Ingredients

• 2 cups rice flour (bột gạo)
• 3 tablespoons tapioca starch (bột năng)
• 3 cups water
• 2 teaspoons vegetable oil
• 1 teaspoon salt
• 6 eggs
• 2 spring onions, chopped
• 1 tablespoon avocado oil
• 1 tablespoon soy sauce, divided (Maggi seasoning soy sauce)
• 1 cup shredded carrots
• 1 cup shredded daikon or green papaya
• 3 tablespoons white vinegar
• 2 tablespoons sugar
• ¼ cup soy sauce
• 2 tablespoons vinegar
• Bird's eye chili (Thai chili), sliced optional