Ingredients: (for 4 persons) 4 large potatoes sliced thinly 1 large zuchinni sliced thinly 200 g mushrooms sliced thinly (champignons in this recipe) 100 g grated vegan cheese (GreenVie Gouda) Bechamel sauce: 6 dl water 2 dl oat milk (or any other plant milk) 2 …