1 1/2 cups warm water
1 packet active dry yeast
1 tablespoon sugar
4 cups all-purpose flour
1 teaspoon salt
2 tablespoons melted butter
10 cups water
2/3 cup baking soda
Coarse salt for topping
Mix warm water, yeast, and sugar
Let sit until foamy
Add flour, salt, and melted butter
Knead until smooth
Let dough rise until doubled
Preheat oven to 450°F
Bring water and baking soda to a boil
Divide dough into pieces
Roll each piece into a rope
Shape each rope into a pretzel
Boil each pretzel briefly in baking soda water
Place on a baking sheet
Sprinkle with coarse salt
Bake until golden brown
Brush with melted butter if desired