Finely chop the Spam.
Dice the onion, green onion, and spicy chili pepper.
Scoop the soft tofu into large chunks with a spoon.
Heat cooking oil in a pot and stir-fry the Spam.
Add onion and green onion, and stir-fry together.
Add chili powder and stir-fry briefly.
Pour 250ml of water and bring to a boil.
Add the soft tofu and chopped chili pepper, and season with salt to taste.
Crack an egg on top and finish.