For the eggnog Easter lamb, first coat lamb mold with softened butter and dust with flour. Preheat oven to 160 °C (top/bottom heat).
Beat eggs, powdered sugar, salt and lemon zest for about 10 minutes with a mixer until creamy. Then gradually add the oil and the egg liqueur while stirring.
Sift Fini’s Feinstes flour and baking powder and fold into the egg mixture with a wooden spoon.
Pour the batter into the prepared lamb mold, place on a baking sheet and bake in the preheated oven on the lowest rack for about 40 minutes (test with a stick). Allow to cool briefly in the baking pan, carefully remove from the pan and decorate the eggnog Easter lamb as desired.