The offer, which lasts until March 6, includes five of the restaurant's most popular dishes: Spaghetti with Meat Sauce, Fettuccine Alfredo, Lasagna Classico, Chicken Alfredo and Chicken Parmigiana. The dishes start at $11.99, and can be mixed and matched with each refill.
"First we introduced unlimited soup, salad and breadsticks. Then we debuted Never Ending Pasta Bowl. And now we're excited to give our fans the chance to revel in unlimited helpings of their favorite Olive Garden classics," said Jose Duenas, executive vice president of marketing for Olive Garden in a press release.
Shares of Darden Restaurants, Olive Garden's parent, were recently trading down 1.3 percent at $72.51.
(CORRECTION: The dishes included in the offer start at $11.99. Prices may be higher for some options.)