Add the sherry, soy sauce, and cooked rice. Continue to cook, stirring from time to time, for about 3 minutes. Continue to cook, stirring from time to time, for about 3 minutes. Add green onions, peas and sesame oil.
Add cauliflower; cook and stir until cauliflower had a tender but firm to the bite, 4 to 5 minutes. Stir pork, peas, and and soy sauce into cauliflower mixture and stir-fry until mixture is hot and slightly browned, 3 to 5 minutes.
Kimchi fried rice or kimchi-bokkeum-bap (김치볶음밥) is a variety of bokkeum-bap ("fried rice"), a popular dish in Korea. Kimchi fried rice is made primarily with kimchi and rice, along with other available ingredients, such as diced vegetables or meats.
Add half of rice and cook, stirring and tossing, until the rice is pale brown and toasted and has a lightly chewy texture, about 3 minutes. Transfer to a medium bowl. Repeat with another 1/2 tablespoon oil and remaining rice.