City of Brotherly Love Soft Pretzels

Name: City of Brotherly Love Soft Pretzels
Ingredients: 3 3/4 teaspoons dry yeast or 1 ounce fresh cake yeast; 1 1/2 cups warm water (90 degrees F); 3/4 cup buttermilk; 5 tablespoons light brown sugar; 2 1/4 teaspoons vegetable oil, plus more for brushing; 6 cups unbleached bread flour; 5 1/2 teaspoon kosher salt; 1/2 cup baking soda; 1/2 cup brown sugar; One 12-ounce bottle dark beer; Mustard oil, for brushing, optional; Smoked or regular coarse salt, for sprinkling; Mustard, cheese sauce, chocolate sauce or hummus, for dipping