steamed bao buns

Ingredients

• 2 teaspoons active dry yeast
• 2 tablespoons sugar
• ½ cup + 2 tablespoons warm water, 110°F
• 2½ cups all-purpose flour
• ½ teaspoon baking powder
• ½ teaspoon baking soda
• 2 teaspoons sea salt
• ¼ cup avocado oil, plus more for brushing
• 8 ounces tempeh, sliced into 12 strips and steamed
• 6 tablespoons hoisin sauce
• 3 tablespoons sriracha
• 1 teaspoon grated fresh ginger
• 1 teaspoon lime zest
• Lime wedges, for squeezing and serving
• Avocado slices
• Sliced cucumber and/or carrot
• Fresh herbs, cilantro and/or mint
• Diced Thai chiles