Let the lard soften but don't let it melt. Mix it with the wine, powdered sugar, vanilla, lemon peel and start adding flour.
Knead and add flour until you get a firm dough. Using an icing piping syringe or a plastic bag and nozzle, spray out butter biscuits in an oven dish.
Roast them at 338°F (170 °C), in a preheated oven, until slightly pink.
While still warm, sprinkle them with powdered sugar, if desired.