Pizza Bun Ingredients Ingredients for Pizza Bun Dough 4 egg yolks 1 whole egg 1.5 oz of sugar 3 oz unsalted butter, melted 6 oz buttermilk 20 oz all-purpose flour 1 package instant dry yeast , approximately 2 1/4 teaspoons 2 teaspoons kosher salt Ingredients for Pizza Bun filling Pepperoni (or try cooked, crumbled