Dice the pumpkin flesh. Chop the onion, leek and garlic and sauté together with the pumpkin in butter in a large saucepan until firm to the bite. Mix the grated hard cheese with the cream and spices. Pour the pumpkin mixture into a (greased) baking dish. Then pour the hard cheese, cream and seasoning mixture over it. Then sprinkle with sunflower seeds and bake in the oven at 200 ° C (approx. 10 - 20 minutes).
Rice slices or parsley potatoes are ideal as a side dish. However, it tastes very tasty even without side dishes!