• Slice thinly celery, garlic and onion.
• Grate the carrots.
• Into a wok or a pan, add in ground beef, sliced onion, garlic, celery and grated carrots
• Cook until browning and juice from beef gone
• Season with sauces, sesame oil, and adjust to your liking
• Stir in pepper and Sesame seeds, take off from heat, let cool to room temperature
• Meanwhile, make the skin

Buns

• Stir your yeast into milk. If using active dry, into lukewarm milk. If using instant yeast, cold or room temperature milk works just fine.
• In a bowl, mix sugar, salt and flour, then make a well in center
• Pour in yeast mixture followed with olive oil
• Knead then let rest, covered, for 30 mins to 1 H
• Divide dough into 50 g portions
• Roll flat each, then place filling in center
• Seam to seal, let rest again for 10-15 mins
• Then steam buns in preheated steamers for 10-20 mins