Pretzels, soft

Ingredients

• 1 1/2 cups warm (110 to 115 degrees F) water
• 1 tablespoon sugar
• 2 teaspoons kosher salt
• 1 package active dry yeast
• 22 ounces (620g) all-purpose flour, approximately 4 1/2 cups
• 2 ounces unsalted butter, melted
• Vegetable oil, for pan
• 5 cups water
• 1/3 cup baked baking soda (see below)
• 1 large egg yolk beaten with 1 tablespoon water
• Pretzel salt