Ingredients
Yield: Makes two 9x 5 inch pans, or 9 mini loaves.
For the dough:
3/4 cup warm milk (105–115°F)
2 teaspoons sugar
4 teaspoons active dry yeast
1/2 cup sugar
1/2 cup all-purpose flour
2 large eggs
1 large egg yolk
1 teaspoon pure vanilla extract
3/4 teaspoon salt
2 and 3/4 cups flour, plus more for dusting
1 and 1/4 sticks (10 tablespoons) unsalted butter, cut into pieces and softened
For the egg wash:
1 large egg yolk
1 tablespoon cream
For chocolate filling:
5 tablespoons butter, divided and well softened
15 ounces bittersweet baking chips, 60% cacao, divided (1 and 1/2 ten-ounce bags)
1/3 cup sugar, divided
Preparation