Cut the spam and kimchi into bite-sized pieces.
Slice the onion and green onion.
Add oil to a pot and stir-fry the kimchi and spam.
Add red pepper powder and minced garlic, mix well.
Pour in water or broth.
Cut the tofu into large pieces and add it.
Season to taste with salt or soup soy sauce.
After boiling, add green onion to finish.