These polvorones are commonly produced in bakeries, and are considered a type of pan dulce (Mexican sweet bread), starting with a versatile dough that may be then flavoured and shaped using different techniques. The oldest recipes always call for lard, but more contemporary ones may use vegetable shortening, butter, margarine, or mixes. My recipe includes a half/half mixture of butter and non-hydrogenated margarine, and I chose two kinds of log slices for this post: orange flavoured circles, and tricoloured triangles ... click on title for more