American Express is offering a $20 statement credit when you dine at three participating restaurants. This offer is available to the first $5,000 cardholders who register for enrollment at the Winterlicious website.
You must dine at 3 participating restaraunts between January 25 and February 7, 2013. This is a pretty tight window of time, but if you were plannng to eat out anyways at those restaraunts the offer is worth registering for.
There is no minimum purchase required in order to be eligible. Your credit may take up to two billing cycles to appear on your statement.