蔥油包，菠蘿包，叉燒包，奶酥包

Ingredients

•         2 cups (454g) milk (skim, 1%, 2%, or whole)
•         2 Tbsp dry milk 
•         1 egg
•         5 cups King Arthur Unbleached All-Purpose Flour
•         2 tablespoons (25g) sugar
•         1 tablespoon instant yeast
•         2 teaspoons table salt
•         6 tablespoons (85g) unsalted butter, at room temperature
•         make 26 buns 
•         375°F, 20 minutes,