It is a high time to group all the ideas that you came up with. Cross out any irrelevant ones and make your best to put them into a logical order. When ready with your ideas, organise them into separate paragraphs. Keep in mind the following layout of writing: an introduction, a main body and a conclusion.
Read about the common features of the essay writing style as well as learn the peculiarities of the essay type you should write. Write out the scheme of your essay type writing and follow it when writing an essay. Identify the style, the structure, the linking words used in this type of essay writing.