Wash the cabbage, cut out the stalk and hard leaf veins. Cut leaves into pieces. Steam leaves in a pot covered with a little water for 3-4 minutes until al dente. Meanwhile, wash the orange hot, rub dry and tear off half of the peel in zests.
Cut the orange in half and squeeze out one half. Mix the sour cream and mayonnaise. Season with orange juice, salt, pepper and 1 pinch of sugar. Drain the cabbage on a sieve. Stir in orange zests and season with salt, pepper and 1 pinch of sugar, keep warm.
Melt the fat. Mix flour, baking powder, 1 pinch of salt and pepper. Whisk the eggs with a whisk. Stir in milk and liquid fat. Gradually stir in the flour mixture by the spoonful. Heat some clarified butter in a coated pan (approx. 18 cm Ø) and add 1/8 of the dough.
Fry the pancakes over medium heat for about 3 minutes on each side until golden brown. Keep pancakes warm. Process the remaining dough in the same way. Spread the finished pancakes with the cream, cover with cabbage and smoked salmon and fold up.