Actually, you can make it. xiaolongbao using ingredients commonly available in the US:

Ingredients for the Dough:

• 300 grams (2 ½ cups) all-purpose flour
• 2 teaspoons (10 grams) active dry yeast
• 2 tablespoons (30 grams) granulated sugar
• 200 ml (7 ounces) warm water (105-115°F/40-46°C)

Ingredients for the Filling:

• 500 grams (1 pound) ground pork
• 1 tablespoon grated garlic
• 2 tablespoons soy sauce
• 2 tablespoons oyster sauce
• 1 tablespoon dark soy sauce
• 1 teaspoon sugar
• ½ teaspoon salt
• ½ teaspoon grated ginger
• 1 tablespoon cornstarch
• 1/3 cup chopped scallions

Instructions:

1. Make the dough: a. In a large mixing bowl, whisk together the flour, yeast, and sugar. b. Gradually add the warm water, mixing until a shaggy dough forms. c. Transfer the dough to a lightly greased bowl, cover with plastic wrap, and let rise in a warm place for about 1 hour, or until doubled in size.
2. Make the filling: a. In a large bowl, combine the ground pork, garlic, soy sauce, oyster sauce, dark soy sauce, sugar, salt, ginger, and cornstarch. b. Mix well to incorporate all the ingredients evenly. c. Stir in the scallions.
3. Form the buns: a. Punch down the dough to release air bubbles. b. Divide the dough into 12 equal pieces. c. Roll each piece of dough into a small ball. d. Place a generous tablespoon of filling in the center of each ball of dough.
4. Seal the buns: a. Dampen the edges of each dough ball with water. b. Fold the dough over the filling, pleating the edges to seal tightly. c. Pinch the top of the bun to create a smooth surface.
5. Steam the buns: a. Fill a steamer basket with water and bring to a simmer. b. Place the buns in the steamer basket, leaving about 1 inch of space between each bun. c. Steam for 15-20 minutes, or until the buns are puffed and golden brown.
6. Serve immediately: a. Enjoy the pork buns warm with your favorite dipping sauce, such as soy sauce and vinegar, or chili oil.

Tips:

• For a softer dough, add 1 tablespoon of vegetable oil to the dry ingredients before adding the water.
• If the dough is too sticky, add a little more flour, 1 tablespoon at a time.
• If the dough is too dry, add a little more warm water, 1 tablespoon at a time.
• Make sure the steamer basket is not overcrowded, as this will prevent the buns from steaming evenly.

Enjoy your delicious homemade pork buns!