Sift the mixed together flour, baking powder and vanillas. In small lots, add it to the other mixture and finish kneading by hand.
Roll out the dough to 1/4″ (0.5 cm) thick sheet using a rolling pin. With a small cookie cutter, cut out circles from the dough.
Arrange 5 of them next to each other, overlapping them slightly. Wrap it into a small roll and cut it into 2.
Shape the halves into roses and arrange in a tray with baking paper. Do this for all of the remaining dough.
Bake in a preheated 356°F (180 °C) oven for about 15 min. Pour the prepared hot syrup over the baked and cooled roses.