Chocolate Babka

Ingredients

• 1 1/2 cups milk warm, [110°F, 43°C]
• 1/2 ounce active dry yeast each packages
• 3/4 cup granulated sugar plus a pinch
• 3 large eggs at room temperature
• 2 large egg yolks at room temperature
• 6 cups all purpose flour plus more for the work surface
• 1 teaspoon salt
• 8 ounces unsalted butter cut into 1-inch pieces, room temperature, plus more for bowl and loaf pans
• 1 tablespoon heavy cream
• 2 1/4 pounds semisweet chocolate very finely chopped
• 1 cup sugar
• 2 1/2 tablespoons ground cinnamon
• 6 ounces butter cut into 1-inch pieces, at room temperature
• 1 2/3 cups confectioners' sugar
• 1 1/3 cups all purpose flour
• 6 ounces unsalted butter room temperature

Nutrition

• Calories : 510 calories
• Carbohydrate : 65 grams
• Cholesterol : 80 milligrams
• Fat : 27 grams
• Fiber : 3 grams
• Protein : 6 grams
• SaturatedFat : 16 grams
• Sodium : 135 milligrams
• Sugar : 38 grams