The document provides guidance on how to write a well-structured paragraph with a topic sentence expressing an opinion and supporting details. It gives an example of a topic sentence stating that spaghetti and meatballs is the writer's favorite meal. It then shows how to add supporting ideas about why it is easy to cook, fun to eat, and delicious, and how to write a concluding sentence that restates the topic sentence. Further steps demonstrate how to add specific details, transition words, and write multiple paragraphs to fully develop the topic. A variety of other potential topic sentences expressing opinions are also listed.