The night before bake day, in a mixing bowll prepare lavain by combining the lavain ingredients
Cover the mixing bowl and let sit overnight in room temperature
The next day, mix the water with ground flaxseed and psyllium husk
Using a spatula, mix the dry ingredients with the wet flaxseed psyllium husk mixture. It should become loose dough bits with some crumbs. Let sit for 10 mins
Using a hand mixer with the dough hook attachment, mix lavain from the previous night into the dough mixture until it form a consistent dough
Cover the mixing bowl with a cling wrap or a wet kitchen towel, let sit in room temperature until 1.5 times in size. Do not let it double in size or it will be over-proofed
Meanwhile, prepare the BBQ pork filling. Prepare a saucepan, sauté shallots with cooking oil over medium heat
Once the shallots are translucent and fragrant, add in the remaining filling except diced char siu. Stir until combined and thickened.
Turn off the heat and add in diced char siu. Stir until char siu pieces are well coated with the thickened sauce
Preheat oven to 350F°. Line a baking sheet with parchment paper
Dust the working surface with brown rice flour. Flip over the mixing bowl to place proofed dough on the counter.
Divide the proofed dough into 6 portions. Roll each portion into a ball
Take a dough ball, flatten with dusted hand or rolling pin
Place a tablespoon of filling mixture into the center of flattened dough. Gently close the dough by pinching the surrounding together
Place assembled bun seam side down on baking sheet. Brush the top with molasses water mixture
Bake at 350F° for 25 minutes. Cool and enjoy!