Heat the oil in a pan and fry the potato pancakes in it at medium heat while turning for about 5 minutes. Take them out and let them drip off on kitchen paper. Cover 3 buffers with 1 slice of salmon and 1 slice of gouda cheese each. Cut each peach half into 3 slices and camembert into 6 pieces. Cover 3 buffers with 2 slices of peach and 2 slices of camembert.
Cut pineapple rings into three. Cover the remaining buffers with 1 slice of ham, 2 pineapple thirds and the remaining cheese. Place the buffers on a baking tray and bake in a preheated oven (electric range: 200 °C/ gas: level 3) for approx. 10 minutes. Put 1 teaspoon of crème fraîche and dill on each salmon pancake. Garnish peach pancakes with fried onions and pineapple pancakes with cranberries