Flounder Rattan Pepper

It seems that there might be a misunderstanding in the name of the dish you are referring to. Flounder is a type of flatfish that is commonly found in restaurants in the United States, and it can be prepared in a variety of ways, such as grilled, fried, or broiled. However, there is no such thing as "rattan pepper" in the context of cooking or food.

Rattan is a type of palm tree native to tropical regions of Asia, and its stems are often used to make furniture and other objects. It is not a type of pepper or a seasoning used in cooking.

If you are looking for information on how to prepare flounder or recipes that feature this type of fish, there are many resources available online. You can search for recipes that use flounder and a variety of seasonings or sauces that you enjoy, such as lemon butter, garlic and herbs, or a spicy Cajun-style seasoning. When preparing flounder, it's important to handle the fish carefully to avoid overcooking it, as flounder is a delicate and flaky fish that can become dry if cooked for too long.