How to make
Beat the eggs with the sugar. Then add the oil, melted butter, cocoa, vanilla and flour with the baking powder.
Stir with a spoon. The dough is soft but moldable. With moist hands, form balls and roll them in the powdered sugar.
Arrange them in an oven dish with baking paper. Bake at 390°F (200 °C) for about 8 min. The cookies will remain moist on the inside.
Adapted from Mary Poppins's Surprises.
