01 -
Mix flour, sugar, salt, and yeast in a bowl. Combine milk, warm water, and butter in a jug until butter melts. Stir liquid into dry ingredients, then knead for 10 minutes on a floured surface or using a mixer with dough hook.
02 -
Place dough in an oiled bowl. Cover with clingfilm or damp tea towel and leave to prove until doubled in size, about 90-120 minutes.
03 -
While dough proves, place chicken pieces in a bowl with buttermilk, salt, white pepper, and garlic salt. Mix thoroughly, cover and refrigerate for at least 1 hour.
04 -
After first prove, knead dough again and divide into 20 equal balls. Roll each into an oval (approximately 6cm x 9cm) on baking parchment. Brush with olive oil and fold over using a chopstick in the middle to leave space in the fold.
05 -
Place folded buns on baking parchment sheets. Cover with clingfilm (ensuring it doesn't touch the dough) and prove for another hour until puffed up.
06 -
Preheat oven to low temperature. Heat vegetable oil in a large pan or deep fryer. Mix together all crispy coating ingredients in a bowl.
07 -
Remove chicken from refrigerator. Lift pieces from buttermilk, allowing excess to drip off, then thoroughly coat in the crispy coating mixture.
08 -
Once oil is hot, cook chicken in batches of 10-12 pieces for 3-5 minutes until golden brown and cooked through. Keep warm in preheated oven while cooking remaining batches.
09 -
Bring water to boil in a large steamer. Working in batches, steam buns (still on parchment paper) for 10 minutes. Transfer to a warm plate.
10 -
Combine gochujang, honey, brown sugar, soy sauce, garlic, ginger, vegetable oil, and sesame oil in a saucepan. Bring to boil, then simmer for 5 minutes until thickened.
11 -
Place all cooked chicken in a bowl and pour the sauce over. Toss thoroughly to coat each piece.
12 -
Carefully open steamed bao buns and fill with Korean chicken. Top with sliced red onion, cucumber pieces, fresh coriander, and sesame seeds before serving.