[Date]
[Your Name]
[Your Address]
[City, State, ZIP Code]
Dear [Recipient],
I am pleased to recommend [Person Name] for [Position, Program, or Opportunity].
I have known [Person Name] for [Length of Time] and have seen their [Skills, Character, or Work Quality] firsthand.
I believe they would be a strong candidate and am happy to offer my recommendation.
Sincerely,
[Your Name]