Recipes
Sourdough Pretzel Buns: Chewy, Dark, Bakery-Quality
The deep brown, chewy crust comes from a baking-soda bath. Make sturdy pretzel buns perfect for burgers and sandwiches.
Sourdough pretzel buns get their dark, chewy, glossy crust from a quick baking-soda bath before baking — the alkaline dip is what makes them taste like a pretzel. They're sturdy enough for burgers and pulled pork while staying soft inside.
Recipe (makes 8)
- 500g bread flour
- 100g active starter
- 260g water
- 30g soft butter
- 10g salt
- 1 tbsp brown sugar
Baking-soda bath
- 1.5 liters water
- 60g baking soda
Method
- Mix and knead the dough until smooth. Bulk ferment 4–6 hours until puffy.
- Divide into 8, shape into tight rounds, proof 1–2 hours.
- Bring the water + baking soda to a gentle simmer.
- Dip each bun 20–30 seconds, then place on a lined tray.
- Brush with egg wash, sprinkle coarse salt, and score an X on top.
- Bake at 400°F for 18–22 minutes until deep mahogany.
The bath matters
| Step | Effect |
|---|---|
| Baking soda bath | Dark color + pretzel flavor + chewy skin |
| Coarse salt | Classic pretzel finish |
| Score the top | Controls expansion |
| High heat | Glossy, deep crust |
Safety note: Use a stainless steel pot (not aluminum) for the soda bath, and handle with care.
Frequently asked questions
Can I use lye instead of baking soda?
Food-grade lye gives the most authentic, dark pretzel crust, but it's caustic and requires gloves and care. Baking soda is safer and very good.
Why are my buns pale?
The bath is essential for browning. Make sure the water is hot and you brush with egg wash before baking.
Can I make full pretzels with this dough?
Yes — shape into ropes and twist instead of buns.
Pretzel buns reward good timing on bulk and proof. SourdoughAI schedules both so they come out light inside and chewy outside.