Mix the dumpling powder with the whisk of the hand mixer in 750 ml cold water. Let the dough swell for about 10 minutes, then form 2 rolls (6 cm Ø) with wet hands. Put the dough rolls in plenty of boiling salted water, bring to the boil briefly and let them simmer at low heat for about 20 minutes. Cut ham slices in half. Grate Gouda. Peel onions and cut into slices. Wash, clean and slice the tomatoes. Carefully lift potato rolls out of the water. Cut each potato roll into 6 slices. Place the potato slices on a baking tray lined with baking paper. Cover each potato slice with tomatoes, slices of onion, 1/2 slice of ham, sprinkle with cheese. Bake in the preheated oven (electric cooker: 200 °C/ gas: level 3) for 12-15 minutes. Remove from the oven, sprinkle with pepper and dried marjoram and serve garnished with fresh marjoram as desired
Paper Napkins: Paper Products
spreader/mill: Cilio