Melt the butter. Mix flour, eggs, salt, saffron and milk until smooth. Stir in butter. Clean and wash the cabbage and cut into fine strips. Peel and wash the carrot and cut into small cubes.
Heat 1 tablespoon of oil in a frying pan. Steam carrot and cabbage for about 4 minutes. Season with salt and pepper. Wash the salmon and cut it in half lengthwise. Bring salted water to the boil. Steam salmon in it for about 4 minutes at low heat, take out.
Peel garlic and ginger and dice finely. Heat 1 tablespoon of oil in a saucepan. Sauté garlic and ginger in it. Halve 1 vanilla pod. Scrape out the pulp, put the pod aside. Add curry and vanilla pulp and fry.
Deglaze with coconut milk and boil down for about 15 minutes. Add lentils and simmer for another 8-10 minutes. Season to taste with salt and pepper. Heat 1 tablespoon of oil in a pan (22 cm Ø). Put half of the dough into the pan and bake it into a pancake while turning.
Bake the remaining dough in the same way. Spread the vegetables on the pancakes. Place salmon strips on top. Roll up the pancake. Halve 3 vanilla beans. Put 4 halves of the vanilla beans through the pancake rolls at even intervals.
Place the pancakes on a baking tray lined with baking paper and cover with aluminium foil. Heat up in a preheated oven (electric cooker: 150 °C/ circulating air: 125 °C/ gas: level 1) for 5-8 minutes. Remove the pancakes and cut them into 4 pieces.
Arrange on plates with the curry lentils.