Gnocchi stuffed with smoked mozzarella - 9Kitchen

Ingredients

• 1 kg desiree potatoes
• 1 egg, lightly beaten
• 200g plain four, plus extra for dusting
• salt
• 100g smoked mozzarella, cut into ½ cm dice
• burnt butter and sage sauce
• 150g butter
• 6-8 fresh sage leaves
• salt and pepper
• parmesan, to serve