Cut the tofu into cubes and slice the kimchi into bite-sized pieces.
Heat cooking oil in a pan and cook the tofu until golden brown.
Push the tofu to one side and stir-fry the kimchi in the pan.
Add soy sauce, red pepper powder, and minced garlic. Cook until the kimchi is well stir-fried.
Mix the tofu and kimchi evenly.
Serve the stir-fried tofu and kimchi over rice to finish.