2 cups milk (I used 2%)
1 1/2 Tbsp active dry yeast (2 packets)
6 Tbsp packed light-brown sugar
4 Tbsp butter, at room temperature
4 1/2 cups all-purpose flour, plus an up to an additional 1/2 cup as needed
2 tsp fine salt
1/3 cup baking soda
2 cups warm water
coarse salt, to taste
6 Tbsp butter, melted
Dipping sauce for serving, optional*