Chocolate Swirl Buns

INGREDIENTS

For the dough:

1/2 cup

whole milk, 105-110˚ F

1/4 cup

granulated sugar

2 tsp

instant (rapid rise) yeast

large egg, at room temperature

2 cups

all-purpose flour

1/2 tsp

salt

3 tbsp

unsalted butter, at room temperature

For the filling:

8 oz

bittersweet chocolate, coarsely chopped

1/4 cup

granulated sugar

1/2 tsp

ground cinnamon

salt

3 tbsp

unsalted butter, at room temperature

To finish:

large egg beaten with 1 tbsp. milk or cream