Equipment
Ingredients
Bao Dough
- 120 ml warm water, around 35 degrees celsius
- 4 g active dry yeast
- 20 g granulated sugar
- 250 g all-purpose flour
- 3 g baking powder
- 15 ml vegetable oil
Crispy Cauliflower
- 400 g cauliflower, cut into bite-sized florets
- 15 ml soy sauce
- 10 ml sesame oil
- 15 ml vegetable oil
- 3 g garlic powder
- 2 g smoked paprika
- 20 g cornstarch
Spicy Mayonnaise and Garnish
- 50 g mayonnaise
- 15 ml sriracha sauce
- 5 ml lime juice, freshly squeezed
- 50 g cucumber, julienned
- 50 g carrots, julienned
- 5 g fresh cilantro, leaves picked
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 242 kcal
- Protein
- 5 g
- Carbohydrates
- 33 g
- Fat
- 10 g
- Fiber
- 2 g
- Sugar
- 4 g
- Sodium
- 252 mg
- Saturated Fat
- 2 g
- Trans Fat
- 0 g
- Monounsaturated Fat
- 2 g
- Polyunsaturated Fat
- 3 g
- Cholesterol
- 3 mg
- Potassium
- 247 mg
- Calcium
- 44 mg
- Iron
- 0.8 mg
- Magnesium
- 19 mg
- Phosphorus
- 79 mg
- Zinc
- 0.5 mg
- Vitamin A
- 65 mcg
- Vitamin C
- 26 mg
- Vitamin D
- 0.0 mcg
- Vitamin E
- 0.4 mg
- Vitamin K
- 22 mcg
- Vitamin B6
- 0.1 mg
- Vitamin B12
- 0.0 mcg
- Thiamin
- 0.13 mg
- Riboflavin
- 0.08 mg
- Niacin
- 1.0 mg
- Folate
- 52 mcg
- Water
- 80 g
Sources: Aggregated Public Data, USDA FoodData Central
Method
In a mixing bowl, combine the warm water, active dry yeast, and granulated sugar. Let the mixture sit for 5 minutes until it becomes frothy, indicating the yeast is active. Add the all-purpose flour, baking powder, and vegetable oil.
Knead the mixture for 8 to 10 minutes until a smooth, elastic dough forms. Place the dough in a lightly oiled bowl, cover it with a damp towel, and let it rest in a warm place until doubled in size, about 1 hour.
Preheat your oven to 220°C/425°F. In a large bowl, toss the cauliflower florets with the soy sauce, sesame oil, garlic powder, and smoked paprika until coated. Sprinkle the cornstarch and vegetable oil over the top, tossing vigorously until the florets are evenly coated and a slightly sticky batter forms.
Spread the coated cauliflower in a single layer on a parchment-lined baking sheet. Roast in the preheated oven at 220°C/425°F for 20 to 25 minutes, flipping the florets halfway through, until they are crispy and golden brown.
Punch down the doubled dough to release air bubbles, then divide it into 8 equal portions. Roll each portion into a smooth ball, then use a rolling pin to flatten each ball into an oval shape about 3 to 4 millimeters thick.
Lightly brush the top surface of each dough oval with vegetable oil, then fold it in half to create a half-moon shape. Place each folded bun on a small square of parchment paper. Cover loosely with a damp towel and let rest for 30 minutes until slightly puffed.
Bring a pot of water to a rolling boil. Place the parchment squares with the buns into a steamer basket, leaving an inch of space between them. Steam covered for 10 to 12 minutes. Turn off the heat and leave the lid on for 3 minutes before opening.
Whisk the mayonnaise, sriracha, and lime juice together to make the spicy sauce. Gently open each warm steamed bao bun along the fold, fill with the crispy roasted cauliflower, julienned cucumber, and carrots. Drizzle generously with the spicy mayonnaise and garnish with fresh cilantro.
Chef's Notes
- For a whiter, softer bun that resembles commercial bao, seek out bleached, low-protein flours like cake flour or specialized bao flour from an Asian grocer.
- The resting step after shaping the buns is crucial for achieving a fluffy texture. A warm, humid environment is ideal for this second proof.
- Do not skip the cornstarch coating on the cauliflower. It combines with the oils to create a starchy shell that mimics a deep-fried crunch while oven-roasting.
- For a fully vegan recipe, simply substitute the standard mayonnaise for your favorite plant-based alternative. All other components are inherently vegan.
- Keep any dough you are not actively shaping covered with a damp kitchen towel. Bao dough dries out exceptionally fast, which leads to a cracked, uneven surface.
Storage
Refrigerator: 3 days — Store buns and filling in separate airtight containers.
Freezer: 1 month — Freeze steamed buns only. Wrap individually to prevent freezer burn.
Reheating: Re-steam refrigerated buns for 3 to 5 minutes until soft and warm. Reheat cauliflower in an oven or air fryer at 200°C/400°F for 5 minutes to restore crispness.
Troubleshooting
Bao buns are wrinkled and deflated after steaming
Cause: Opening the steamer lid too quickly caused a sudden temperature drop, shocking the delicate dough.
Fix: Cannot be fixed
Prevention: Leave the steamer lid on for 3 to 5 minutes off the heat before opening to let the temperature equalize gradually.
Bao buns are stuck closed and tear when opening
Cause: Insufficient oil brushed between the dough layers before folding.
Fix: Use a warm, thin knife to gently pry the buns open, working slowly to minimize tearing.
Prevention: Ensure a generous, even layer of neutral oil is brushed over the entire surface before folding the dough into half-moons.
Cauliflower is soggy instead of crispy
Cause: Overcrowding the baking sheet or excess moisture on the cauliflower before tossing in cornstarch.
Fix: Return to the oven for an additional 5 to 8 minutes, or use an air fryer to quickly crisp the exterior.
Prevention: Thoroughly dry cauliflower florets after washing and ensure they have ample space on the baking sheet to roast rather than steam.
Cultural Context
Gua bao translates to cut bread, referring to the signature folded shape of this beloved Taiwanese street food. While traditionally filled with slow-braised pork belly, pickled mustard greens, and crushed peanuts, modern iterations embrace diverse global flavors. Plant-based variations using robust ingredients like roasted cauliflower honor the essential architecture of the dish: a contrast of soft, warm dough against savory, highly textured fillings.
