ホワイトチョコレートって英語でなんて言うの？

It is simple just add the word white to the start of chocolate,
White chocolate

Milk chocolate is the most common type of chocolate that is generally made with coco beans, milk and sugar. This is the brown coloured chocolate.

Dark chocolate is almost Black in colour and is usually very high in coco and lower in sugar.

*White chocolate
Example Sentences:
I prefer white chocolate to dark chocolate, white chocolate tastes sweeter.
That looks yummy, did you use white chocolate.

There are 3 types of chocolate.
White Chocolate, Milk Chocolate and Dark Chocolate.
What is known as white chocolate has little to no cocoa and has had lots of sugar and milk solids added. It is the least healthy option of all the chocolates - but is delicious!!

Milk chocolate and dark chocolate have more cocoa and less sugar (generally). Dark chocolate has a higher level of anti-oxidants and is commonly seen as the healthy option when choosing chocolate.

There are lots of things added to the 3 chocolates - berries, nuts, gummy bears!!

There are 3 types of chocolate, Milk, dark and white chocolate
milk chocolate is more of a brown colour whereas dark chocolate is more black and has more cocoa and usualle less sugar
White chocolate usually has more sugar and is white in colour

White chocolate - chocolate that is white, most of the time this is what it is called. Some people may be more specific and may call it by it's name brand, but most of the time is it called white chocolate.

In American English, chocolate is white is just called white chocolate. Usually chocolate is modified by adding a descriptive term before the word. Other example would be "milk chocolate", "dark chocolate", or "baker's chocolate".