Makes 12 buns
1½ cups buttermilk
2½ teaspoons (1 package) active dry yeast
2 cups flour + more for dusting
⅓ cup sugar
1 teaspoon kosher salt
1 egg
4 egg yolks (divided)
4 ounces (8 tablespoons) unsalted butter
3 cups flour
8 ounces bacon
2 medium shallots
8 ounces (2 cups) blue cheese
Pairing Next Coast IPA (Goose Island) or any robust India Pale Ale.