Shake Shack: The New York-based chain is offering free classic or limited-time fries with any purchase on its app, online or in-store. Use the code FREEFRY. Shake Shack also has a set of four crinkle cut-shaped candles on sale for $39 in its online store. shakeshack.com

The U.S. celebrates French Fry Day on the second Friday in July, and for this year’s holiday, on Friday, July 11, several popular chains are offering sales and deals on the fan favorite treat!

National French Fry Day lands on July 11 this year. It promises to quite literally be a free-for-all, with many fast-food restaurants, including Wendy's ( WEN ), offering freebies of this super-popular side (usually with a minimum purchase).