1/2 cup warm water (110 degrees)
2 packages dry yeast
1 teaspoon sugar
1 1/2 cups warm whole milk (110 degrees)
6 tablespoons (3/4 stick) unsalted butter, melted and cooled
1 1/2 tablespoons honey
2 extra-large egg yolks
5 to 6 cups all-purpose flour
1 tablespoon kosher salt
1 egg white, lightly beaten