Donat Hati Coklat Mudah

Bahan-bahan (12 porsi)

• 1 1/4 cups warm milk
• 2 1/2 teaspoons instant yeast
• 1 tablespoon granulated sugar, plus more for rolling
• 4 tablespoons unsalted butter, melted
• 2 eggs
• 4 cups all purpose flour
• 1 teaspoon salt
• 1/2 cup Nutella
• 1/4 cup heavy cream
• 1 teaspoon vanilla extract