There seems to be a trend for free food offers. You can find your full day's supply and more below:

IHOP - International House of Pancakes
IHOP Short stack 7AM-10PM one free short stack (3) of buttermilk pancakes
http://www.ihoppancakeday.com/

Jack in the Box
2 free tacos from Jack in the Box
http://coupon.hangintherejack.com/two-tacos.php

Quiznos
Free Sub from Quiznos:
http://www.millionsubs.com/Reg.php

Arby's
Free Roast Burger at Arby's
http://arbys.fbmta.com/members/ViewMailing.aspx?MailingID=27917289331
Drink purchase needed. Expires March 9, 2009

Del Taco
2 free chicken soft tacos and Free Premium Birthday Shake
http://www.deltaco.com/page8.html