Name: Chocolate Babka
Prep time: 3 h
Cook time: 55 min
Total time: 3 h 55 min
Yield: 3 loaves; 24 slices
Ingredients: For the Streusel Topping:; 1 and 2/3 cups confectioners' sugar; 1 and 1/3 cups all-purpose flour; 12 tablespoons (1 1/2 sticks) unsalted butter, room temperature; For the Chocolate Babka:; 1 and 1/2 cups warm milk, 110 degrees; 2 (1/4 ounce each) packages active dry yeast; 1 and 3/4 cups (plus a pinch) granulated sugar; 3 large eggs, room temperature; 2 large egg yolks, room temperature; 6 cups all-purpose flour, plus more for work surface; 1 teaspoon salt; 1 and 3/4 cups (3 1/2 sticks) unsalted butter, cut into 1-inch pieces, room temperature, plus more for bowl and loaf pans; 2 and 1/4 pounds semisweet chocolate, very finely chopped; 2 and 1/2 tablespoons ground cinnamon; 1 tablespoon heavy cream