Fluffy, cloud-like buns are filled with savory seasoned pork and steamed until pillowy soft. These family-friendly dim sum classics are a beloved comfort food and ideal for freezer storage and quick reheating.
Combine warm water, active dry yeast, and 1 tbsp sugar in a bowl. Let sit for 10 minutes until foamy.
Mix the yeast mixture into all-purpose flour and knead until a smooth, soft dough forms. Cover and rest in a warm spot until doubled, about 1 hour.
Meanwhile, prepare the filling by mixing ground pork, finely chopped green onions, soy sauce, oyster sauce, sesame oil, 2 tsp sugar, white pepper, and salt in a large bowl. Stir vigorously until sticky.
Punch down the dough and divide it into 8 equal portions. Roll each portion into a disk, keeping the center thicker.
Place about 2 tbsp pork filling in the center of each disk. Pleat and seal the bun tightly at the top to enclose the filling.
Set buns on pieces of parchment paper and let them rise an additional 20 minutes while bringing a steamer with water to a boil.
Arrange buns in the steamer, leaving space for expansion. Steam over high heat for 15 minutes, then let rest for 5 minutes (lid ajar) before serving.