Chinese Pork Buns (Cha Siu Bao)

Ingredients (15)

• + 6 cups all-purpose flour add to pantry
• ✓ ¼ cup white sugar
• + 1 ¾ cups warm water (110 degrees F/45 degrees C) add to pantry
• + 1 tablespoon active dry yeast add to pantry
• + 1 tablespoon baking powder add to pantry
• + 2 tablespoons shortening add to pantry
• + 1 pound finely chopped pork add to pantry
• + 1 ½ tablespoons light soy sauce add to pantry
• + 1 ½ tablespoons hoisin sauce add to pantry
• + 1 teaspoon soy sauce add to pantry
• + 1 ½ tablespoons oyster sauce add to pantry
• ✓ 1 cup water
• ✓ 2 tablespoons cornstarch
• + 1 ½ teaspoons sesame oil add to pantry
• + ¼ teaspoon ground white pepper add to pantry