1. Put the brown sugar in boiling water, stir until it melts and set aside
2. Pour oatmeal, whole wheat flour, coconut, cooked black sesame seeds, salt in a large bowl, and mix well
3. Pour the vegetable oil into the bowl and stir until it is completely mixed, then add the brown sugar water in small amounts several times, and add it again after it is completely mixed, until the dough is a little moist, and it can form a dough with a hand
4. Grab an oatmeal ball with your hand, and then gently press it into a pie with your thumb. The thinner you press, the crisper the texture will be
5. Finally, put it in the preheated oven, bake at 170 degrees for 20 minutes, then take it out and let it cool and you can eat
