Gather all the ingredients.
In a stove top pot, add 2 tbsp Bonito Flakes, Soy Sauce, Japanese sake and Swerve/Monkfruit. Bring to boil on high heat. Once boiling, remove from heat and let it steep for at least 5 minutes. After 5 minutes of steeping, strain Bonito Flakes making sure to push out all excess liquid from Bonito Flakes with a ladle or spoon. Set sauce aside.
Make 3 vertical scores on the eggplant (top to bottom). This will help you peel the skin off the eggplants later.
Finely slice green onions and set aside.
On a stove-top or BBQ, set heat to medium-low and place eggplants on the grill. Roast each side for about 1.5 - 2 minutes or until the eggplant skin looks wrinkly. Entire eggplant should take 7-8 minutes.
In the meantime, prepare a bowl with cold water and set aside.
After eggplants are done roasting, dip the entire eggplant in the cold water for a couple of seconds and set aside. Note - the eggplants will be hot, so handle with caution!
Make sure eggplants are cool enough to touch and then cut off the top section of the eggplants. Gently peel off the skin using your hands (skin should peel off easiland transfer to a serving plate.
Top with a pinch of Bonito Flakes, green onions and drizzle of soy glaze. Enjoy warm!