Slice the eggplant into 1cm thick rounds.
Add 1 tablespoon of salt to one cup of water.
Soak the eggplant slices for 20 minutes.
Prepare the sauce.
Rinse the eggplant and squeeze out all excess water.
Coat the eggplant with perilla seed powder.
Steam over medium-high heat for 5 minutes.
Let cool for about 20 minutes, then toss with the sauce.