

The cakes will not have the authentic rectangular shape, so your cakes will likely be called muffin(n)-iers (I am adding the French suffix -ier to the English word “muffin”). You can bake financiers in a mini muffin pan, filling each cavity up to two-thirds. Can you bake financiers in a muffin mold?

If you use a carbon steel mold, you will need to butter each cavity. Make sure to read about baking with silicone molds. Most of them are made of silicone, which is very convenient because you do not need to grease them. The authentic financiers have a rectangular shape resembling a rectangle gold bar, and they are baked in a special financier mold. However, in America, they have recently begun serving clients at some restaurants. In France, financiers have been known for more than 100 years. So, rich financiers were the primary customers and consumers of those cakes.

Later, in 1890, a Parisian pastry chef Lasne created cakes "financiers" in the shape of gold bullion for the financiers who worked in his neighborhood, near the Place de la Bourse in Paris. Nuns baked similar cakes called visitandines in the middle ages.
