A quick recipe for left over firm tofu. Mix to make yangnyeomjang:

1 clove of minced garlic.
1 chopped green onion.
1 ts hot Korean pepper flakes (gochugaru 고추가루).
1 ts sugar.
1 tbs soy sauce.
1 ts sesame oil.

Slice firm tofu (optional: coat with flower and salt) and fry in hot oil until light brown.

Spoon yangnyeomjang evenly over the tofu, and sprinkle some roasted sesame seeds over top just before serving.