Chick fil ABusiness Insider/Hayley Peterson

Chick-fil-A is giving away tons of free food on July 11 for its annual "Cow Appreciation Day."

The fried-chicken chain will offer a free entrée — which includes chicken sandwiches, chicken nuggets, and more — to anyone dressed in "cow attire," which can include a full costume or simply a cow-themed accessory like a handbag.

This copycat Chick-fil-A chicken sandwich is better than the real thing - and you can most definitely eat one on a Sunday.​

Media: Delish

The promotion applies to breakfast, lunch, and dinner items for adults from the time that Chick-fil-A's restaurants open to 7 p.m. 

Children in cow-inspired attire will be given a free kid's meal.

The event is Chick-fil-A's biggest promotion of the year.

The chain gave away nearly 1.6 million free entrée to cow-dressed customers last year, according to the company.

Chick fil AChick-fil-AThis is the 13th year in a row that Chick-fil-A has run the promotion. It was previously held on Fridays, but demand was so overwhelming that the company decided to move it to a less busy day, and now holds the event annually on Tuesdays.

Customers can find out more about "Cow Appreciation Day" on the company's website.

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