Cut tofu and vegetables into bite-sized pieces.
Make a broth in a pot with water, anchovies, and kelp.
Add doenjang (soybean paste) and gochujang (red chili paste) to the broth and mix well.
Add vegetables and tofu, then bring to a boil.
Add minced garlic and green onion, and boil once more.
Taste and adjust the seasoning with salt if needed.