Pretzel

Bahan-bahan (12 porsi)

• 1/4 oz . (10g) active dry yeast packet
• 1 1/2 cups warm water (110°F to 115°F/37°C to 47°C)
• 2 tablespoons sugar
• 2 tablespoons butter (melted)
• 1 1/2 teaspoons salt
• 4 - 4 1/2 cups all-purpose flour
• 8 cups water
• 1/2 cup baking soda
• 1 egg yolk
• 1 tablespoon cold water
• coarse salt (optional)