Yes, they usually cost extra.
Yes, for an additional cost, you can add toppings like veggies, cheese, cream, spinach, tofu, tomato, corn, mushrooms, fish, dumplings, shrimp, fried squid, beef cutlet, sausage, keema sauce, kimchee, eggplant, hard boiled egg, etc
Yes you can order extra toppings :-)
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