Cut tofu and vegetables into bite-sized pieces.
Add sesame oil to a pot and sauté green onion and garlic.
Add gochugaru (Korean chili powder) and stir-fry over low heat to make the seasoning base.
Add water and clams and bring to a boil.
Once the soup boils, add soft tofu, soy sauce, and salt to taste.
Crack an egg into the stew and simmer for a bit longer.