By Domini Kemp   Ingredients: 4 sweet potatoes few tablespoons olive oil salt & pepper 400 g pasta shells 50 g butter handful of sage leaves 1 pack Buffaloumi (approx 250 g in weight)   Method: Preheat oven to 180°C. Peel the sweet potatoes and chop up roughly into chunks. Chuck them in a roasting tray, lash some olive oil onto […]