Develop the 'talk' part of your writing first: try to express your conclusion and supporting evidence verbally in a way that's engaging and easy to understand.

Develop the 'talk' part of your writing first: try to express your conclusion and supporting evidence verbally in a way that's engaging and easy to understand. Maybe even find someone to explain your idea to. Once you can do that, write your talk down and flesh it out with necessary detail, citations, etc.