How do I write an effective AI prompt for a blog post from scratch?

An effective blog post prompt needs four things: a clear topic, a specific audience, a structural outline, and an example of the tone you want—in that order. Start with the topic, but don't just say 'write about email marketing.' That's too vague. Say 'write about why most welcome emails fail and how to fix them.' Narrow topics produce better results. Next, define your reader. 'This is for small business owners who hate marketing but know they need to do it' gives the AI a real person to write for. Then, give it a skeleton. I usually type something like: 'Structure: start with a story about a bad welcome email, then explain the 3 most common mistakes, then give a fix for each, end with a one-paragraph summary.' Without this, the AI will default to a bland five-paragraph essay structure every single time. Finally, paste a short sample of writing you like and say 'match this tone.' A paragraph is enough. The AI will pick up the rhythm and word choice from it. Here's a real example that works: 'Write a 500-word blog post about why most welcome emails fail. Audience: small business owners who hate marketing. Structure: open with a relatable mistake story, list 3 common failures with fixes, end with a quick checklist. Match the tone of this sample: [paste your sample].' That prompt will give you something usable on the first try, not the fifth. For a deeper dive, see our guide on how to write AI prompts. **Related**: What's the difference between a good AI prompt and a bad one? | How many words should my AI prompt be for best results?