Nutella Babka | Red Star® Yeast

Ingredients

• 3/4 cup warm milk (110-115°F)
• 1 (0.25oz) package (7g) or 2 1/4 teaspoons Red Star Active Dry Yeast
• 6 tablespoons unsalted butter (softened)
• 6 tablespoons granulated sugar
• 1 teaspoon vanilla
• 4 large egg yolks
• 3 1/4 cups all-purpose flour (plus more for kneading and shaping)
• 1/2 teaspoon table salt
• Egg wash: 1 egg + 1 tablespoon water (whisked together)
• 1 (13oz) jar Nutella (or your favorite chocolate hazelnut spread)
• 1/2 cup all-purpose flour
• 1/2 cup packed light brown sugar
• 1/4 cup chopped hazelnuts
• 4 tablespoons cold unsalted butter, cut into ¼-inch cubes