sentence: add carrots onions bell peppers and cabbage to the pot and stir sentence: add a pinch of salt and vinegar and stir sentence: add noodles and vegetable broth and stir sentence: add minced garlic and ginger soy sauce hot sauce sweet and sour sauce and stir sentence: add sesame seed oil and cover sentence: when the soup boils add arrow root powdera and stir sentence: add tofu to the soup sentence: ladle soup into the bowl and top with green onion