And tThere are two different colored meatballs separately in each soup beforehanded when the pot is served on the portable stove.

You don't have to start a new sentence with "And", you can just start with your topic.

According to a website, it is typically served with a pot divided into two parts, and two kinds of soup,: spicy red soup and chicken white broth.

When you are about to list off things, it is common to use a colon (:). One example is "there are four cardinal directions: north, south, east, and west."

And there are two different colored meatballs separately in each soup beforehanded when the pot is served on the portable stoveWhen the pot is served on a portable stove, each soup contains two different colored meatballs.

I wasn't exactly sure what you meant here.

You put a thin slice of meat into a hot pot, then you swish it back and forceth several times until the meat turns pink.

The soups have such a strong taste that you don’t need to dip it in sourauce when you eat it.

Not only meat, there areIn addition to meat, the dish is also served with many kinds of vegetables and mushrooms on the plate.

"Not only" doesn't fit well here because the previous sentence doesn't set it up well and it usually goes with "also".

A better setup would be "There are many ingredients in hot pot. Not only meat, but also many kinds of vegetables and mushrooms."

"there are <etc> on the plate" is fine, but a better term when discussing food is "serve." A waiter can serve someone food. Food can be served with certain other foods (example: "hamburgers are typically also served with french fries").

Today, I had hot pot for lunch at the Ryutenko in the Koyo Grand Hotel.

It was the first time I had eaten this kind of Chinese-style hot pot stew.

According to a website, it is typically served with athe pot divided into two parts, and containing two kinds of soup, a spicy red soupone and a chicken white broth.

If you look at the pot from above, it is shaped like a taijitu, athe symbol of yin and yang.

And there arelso, when the pot is served on the portable stove, it comes with two different colored meatballs separately, one in each soup beforehanded when the pot is served on the portable stove.

I think this is what you're trying to say?

You put a thin slice of meat into athe hot pot, then you swish it back and forceth several times until the meat turns pink.

The soups have such a strong tasteflavor that you don’t need to dip it in sourthe food in other sauces when you eat.

Not onlyBesides meat, there are also many kinds of vegetables and mushrooms on the plate.

According to a website, it is typically served with a pot divided into two parts, andwith two kinds of soup, spicy red soup and white chicken white broth.

And there are two different colored meatballs separately in each soup beforehandedEach type of soup comes with meatballs of a different colour, when the pot is served on the portable stove.

You put a thin slice of meat into athe hot pot, then you swish it back and forceth several times until the meat turns pink.

The soups have such a strong taste that you don’t need to dip it in source when you eatthe meat in sauce.

Not only is there meat, but there are also many kinds of vegetables and mushrooms on the plate.