2. Practice: wash the rice, wash and dice the beans, peel the potatoes, and 1 cm square cut the cloves and wash and dice them; Prepare the ingredients, put them into the rice cooker together with the green beans and corn kernels, add water less than one centimeter of all the ingredients, drop a few drops of soy sauce, add two teaspoons of salt and mix well; According to the normal cooking procedure, stew for 10 minutes after the switch is switched on; Add mustard tuber and Korean hot sauce and mix well.