1：中筋面粉3 1/4杯 (All purpose flour，3 1/4cups)，泡打粉（Baking powder）1茶匙，拌匀。
2：温水120华氏度1.5杯，糖1大匙，发酵粉(yeast) 2茶匙，搅拌均匀，静置10分钟。
3：五花肉 550克，榨菜一小包（用水洗过），葱花 ½杯，生抽1大勺，老抽3大勺，糖3大勺，料酒1大勺，麻油2小勺
五花肉切丁后与3料中所有的材料搅好备用。
1+2放盆里揉成光滑的软面团。盖上湿布放在暖和的地方发酵，等到面团发至原来的两倍大大概一个半小时。
把发好的面团分成20块，每份擀成薄皮，加适量的馅料包成包子。将包子坯放入铺了层纸巾的烤盘上，放入烤箱内醒30-40分钟。醒好的包子隔水大火蒸10分钟，开中火再蒸4，5分钟。 关火后等5分钟才可以揭盖。

1. 3 1/4 cup all purpose flour, baking powder (Baking powder) 1 teaspoon, mix well.
2. warm water 120F 1.5 cups， sugar 1 tablespoon active dry yeast 2 teaspoons and stir well, let stand for 10 minutes.
3. pork belly 550 grams, a little bag of mustard pickle(washed), chopped green onion ½ cup, light soy sauce 1 tbsp, dark soy sauce 3 tablespoons, sugar 3 tablespoons, cooking wine 1 tablespoon, sesame oil 2 teaspoon

Dice pork belly and mix with ingredients in 3.

1+2 in a big bowl and knead into soft smooth dough. Cover with a damp cloth leave in a warm place until the dough is twice in size for about one and half hours.
Cut the dough evenly into 20 pieces and roll each into a thin wrap, add the right amount of pork into buns. Leave all the buns on a baking pan that layers with paper towels. Let them sit for another 30-40 minutes in the oven. Steam buns over boiling water for 10 minutes,Turn the heat to medium and steam for 4 , 5more minutes. Leave the cover on for at least 5 minutes after turn off the heat.