Cut the tofu into bite-sized pieces.
Finely chop the onion, green onion, and chili pepper.
Grill the tofu in a preheated pan until golden brown.
In a bowl, mix doenjang (soybean paste), gochujang (red chili paste), minced garlic, onion, green onion, chili pepper, and sesame oil to make ssamjang sauce.
Top the grilled tofu with ssamjang and enjoy.