Essays / Similarities between myself and any vegetable [17]

Hello...i am Elmy. I have just joined 2day. so this would be my very first message! anyway i have a huge assignment pending,its a compare and contrast essay and the topic is ' similarities between myself and any vegetable'!! See, i am so not a creative writer. I have not written any English paper since my O'Levels. I literally have no clue about what am i gonna write!! So i would be really glad if any of you can help. Thank you.