
3 cups all-purpose flour, divided
2 teaspoons active dry yeast
1 teaspoon granulated sugar
½ teaspoon coarse kosher salt
⅓ cup warm whole milk (120°F to 130°F)
5 tablespoons salted butter, softened
1 large egg
½ cup canned pumpkin
1 teaspoon pumpkin pie spice
5 tablespoons salted butter
⅔ cup granulated sugar
3 oz. 60% cacao bittersweet chocolate baking bar, coarsely chopped
⅓ cup unsweetened cocoa powder