Remove excess moisture from the tofu and cut it into small cube shapes.
Cut the kimchi into bite-sized pieces.
Chop the onion and green onion.
Heat cooking oil in a pan and grill the tofu until golden brown.
Remove the grilled tofu and stir-fry the onion and green onion in the same pan.
Add the kimchi and stir-fry.
Add cooked rice and stir-fry evenly with all the ingredients.
Add the grilled tofu back in, stir-fry once more, then season with salt, pepper, and sesame oil.