It seems like every week we're celebrating a new national holiday to honor another delicious food—and eat it in excess totally shamelessly. In the past few weeks alone, we've celebrated (a.k.a eaten our way through) National Chocolate Day, National Pasta Day, and National Coffee Day.  Every time we say we think we've found the best food holiday, we're proven wrong. Because as much as we love free donuts and coffee, National Sandwich Day means there is such a thing as a free lunch. Here's where to score discounted and free sandwiches, subs, clubs, and more:

Arby's

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Flickr Creative Commons/Mike Mozart

This sandwich chain is offering its famous Roast Beef Classic for only 99 cents with a limit of 20 sandwiches per customer (if you can eat 20 Roast Beef Classics, we give you a standing ovation). Live in Tennessee? You're eligible to receive a Roast Beef Classic for free with the purchase of a drink—but only if you sign up for the brand's email list.

Capriotti's

Simply download the Capriotti's mobile app, then visit of their locations today for a chance to win free sandwiches for a year. With a menu like theirs, you'll definitely want to try your luck. 

Chick-Fil-A

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Flickr Creative Commons/Ernesto Andrade

With the purchase of any sandwich, customers will receive free cookies today. That's like like two food holidays in one, what more could you ask for?

Hot Table

This Massachusetts- and Connecticut-based restaurant is giving customers the chance to wine a gift card. You just have to retweet the chain's below tweet: 

Jon Smith Subs

Customers of this Palm Beach County restaurant will receive free fries with the purchase of any sub today. You can never, ever say no to free fries. It's a law, probably. 

McDonald's

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With the download of the McDonald's app, diners are given a coupon for a free sandwich, plus additional rewards that vary from location to location. It's a win-win. 

Mendocino Farms

 If you want to win free sandwiches from this California-based shop, take a picture in its sandwich-themed photobooth, then upload your shots to Instagram, Twitter, or Facebook and tag both @MendocinoFarms and #MendoEatHappy. Wondering how much loot you'll take home if win? Up to 58 free sandwiches. That's more than one free lunch every. single. week.

Subway

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The famous sub company is offering what might be the best National Sandwich Day Deal yet: If you buy any sandwich and a drink, you'll get a second sandwich on the house. So you can share with a friend or eat it yourself. 

Can't find time to get out today to take advantage of these awesome deals? No worries. Try one of these cheesy, chicken sandwiches or one of these amazing steak sandwiches at home.

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