Foodworks Mushroom & Sweet Potato Gnocchi

Ingredients

• 2 medium sweet potatoes
• 2 cups all purpose flour
• 2 teaspoons salt flakes
• flour for dusting
• 250g Swiss brown and button mushrooms, chopped in quarters
• 10 sage leaves
• 2 tbsp toasted pinenuts (optional)
• 1/2 lemon
• 50g butter
• Grated Parmesan