01 - 
                Combine active dry yeast with warmed milk in a large mixing bowl. Let rest for 5 minutes until foamy.
              
              
              
                02 - 
                Add granulated sugar, softened butter, egg, all-purpose flour, and salt to the yeast mixture. Mix until a soft dough forms.
              
              
              
                03 - 
                Transfer dough to a floured surface and knead by hand for 5 to 7 minutes until smooth and elastic. Place in a lightly greased bowl, cover, and allow to rise in a warm place for 1 hour or until doubled in volume.
              
              
              
                04 - 
                Deflate the risen dough and roll it out to 1/2 inch thickness. Use a 2 1/2 to 3 inch round cutter to cut out circles. Arrange on a baking sheet, cover with a clean towel, and let rise an additional 30 minutes.
              
              
              
                05 - 
                Heat vegetable or canola oil in a deep pot to 350°F (177°C) for frying.
              
              
              
                06 - 
                Fry the dough rounds in batches, turning once, until golden brown and cooked through, about 1 to 2 minutes per side. Drain on paper towels.
              
              
              
                07 - 
                Combine chocolate chips and heavy cream in a microwave-safe bowl. Microwave in 20-second intervals, stirring between each, until melted and smooth.
              
              
              
                08 - 
                Allow donuts to cool slightly, then fill each with chocolate using a piping bag or small knife. Dust with powdered sugar if desired.