What is a rich cake called?

There's no single, definitive name for a "rich cake." However, here are some terms that describe cakes with a higher fat content, dense texture, and luxurious flavor:

General terms:

* Rich cake: This is the most straightforward way to describe a cake with these qualities.

* Butter cake: Cakes with a high butter content are often referred to as butter cakes.

* Pound cake: These cakes get their name from using a pound each of butter, sugar, eggs, and flour.

More specific terms:

* Fruitcake: These cakes are typically very rich and feature a high concentration of dried fruits and nuts.

* Chocolate cake: Chocolate cakes often use rich ingredients like cocoa powder, butter, and cream to achieve a deep, decadent flavor.

* Chiffon cake: Although light and airy, chiffon cakes use oil and egg yolks to create a rich flavor.

* Gateau: This French word for "cake" often refers to elaborate, rich cakes with layers and decorative frosting.

Ultimately, the best way to describe a "rich cake" depends on the specific ingredients and the intended effect.