Mix flour, water, oil, dry yeast, sugar, and salt in a mixing bowl. Knead until smooth dough forms. Let it rest for 60 min.

Knead the dough again and divide it into 10-12 parts. Fill each part with the prepared filling.

Steam the filled buns for 30-40 min. Let them rest for 10-15 min with the lid closed.

Chop white cabbage, spring onions, garlic cloves, and onion. Cook in a pan with meat substitute, paprika powder, and coriander powder until cabbage wilts and meat substitute is cooked. Let it cool.

Mix sugar, soy sauce, rice vinegar, chili oil, paprika powder, and pressed garlic clove in a bowl. Add coriander as desired.