Vanilla is a bean. It is the second most expensive spice after saffron. Even though it is very expensive, it is used commercially as well as domestically. It is used mainly in baking, aromatherapy, and the perfume industry.
The vanilla ice cream is flavored with either real beans added while cooking or the extract of vanilla depending upon the cost of the product. It has a paler, whiter appearance than French vanilla. The base of the vanilla ice creams is cream. Many times flecks of vanilla are added in the vanilla ice creams. These ice creams do not require any heating process.
French vanilla ice cream has egg yolk in it. The egg yolk is responsible for the rich yellow color of French vanilla. Egg yolk is also responsible for a smoother consistency of the ice cream. French vanilla ice cream does not have flecks of vanilla; they are strained out during cooking. The base of French Vanilla ice cream is egg rather than cream. This preparation requires heating as the base is actually a custard.
Difference Between Vanilla and French Vanilla | Difference Between | Vanilla vs French Vanilla.