My grandson's favorite type of cake is chocolate. I love it too! How about you?
Love chocolate cake flavored with melted chocolate, cocoa powder or both
Agreed!  Shredded milk chocolate on top of a chocolate iced cake is heavenly. I could eat a whole one now!
Chocolate cake may have other ingredients but it is made with chocolate
Yes! What other varieties do you know of?
Well you can add fudge, vanilla cream or other sweetners or even nuts
Good ideas! I think fudge would add a whole new dimension to the cake!
Americans added chocolate to cake in 1886 
Wow! That's a long time ago! What was cake like before 1886, just vanilla?
were mostly for chocolate drinks, and its presence in cakes was only in fillings and glazes. In 1886, American cooks began adding chocolate to the cake batter, to make the first chocolate cakes in the US.
The Duff Company of Pittsburgh, a molasses manufacturer, introduced Devil's food chocolate cake mixes in the mid-1930s, but introduction was put on hold during World War II. Duncan Hines introduced a "Three Star Special" (so called because a white, yellow or chocolate cake could be made from the same
Chocolate cake
Chocolate cake or chocolate gâteau (from French: "gâteau au chocolat") is a cake flavored with melted chocolate, cocoa powder, or both.
History.
Chocolate cake is made with chocolate. It can also include other ingredients. These include fudge, vanilla creme, and other sweeteners.The history of chocolate cake goes back to 1764, when Dr. James Baker discovered how to make chocolate by grinding cocoa beans between two massive circular millstones.
In 1828, Coenraad van Houten of the Netherlands