For the mash:
700 g sweet potatoes
splash of cream
knob of butter
grated Parmesan cheese (or mature Gouda cheese)
salt and freshly ground pepper to taste
For the filling:
675 g minced meat (lamb or beef)
1 large winter carrot, grated
1 large onion, diced
250 g mushrooms, sliced
olive oil
small tin of tomato paste
splash of red wine
Worcestershire sauce
4 garlic cloves or 1 tsp. garlic powder
1 tbsp. rosemary
1 tbsp. thyme
salt and pepper to taste