(NEXSTAR)-Free guac can be said to be the best guac.

To commemorate National Avocado Day, Chipotle offers free guacamole to customers who purchase full-priced main dishes through the Chipotle app or website. To redeem the offer, guests in the U.S. and Canada must use the promo code AVO2021 during checkout.

“National Avocado Day is our most popular’Chipotday’ and has long been offering our fans something extra to celebrate July 31st,” said Chris Brandt, Chief Marketing Officer of Chipotle. A statement Shared earlier this week. “We are happy to continue this tradition this year by providing fresh hand-mashed guava for free through our digital channels, with the promotional code AVO2021.”

As Chipotle pointed out, the offer is only available to customers who order online on the Chipotle website or through its app, and not to restaurants.Other restrictions and details can be found at Chipotle’s US and Canadian website.

In addition to the free guac, Chipotle currently offers free shipping services for certain orders placed through its website or app in the United States and Canada. This offer is not valid for orders placed through third-party delivery sites, and is valid until August 1st.