BurgerFi: Get a $5 BurgerFi cheeseburger Tuesday. The offer is only for in-store purchases and for the double-patty BurgerFi cheeseburger. Limit one per customer.
Dairy Queen: Get a free hamburger with purchase of a malt or shake Tuesday through May 31 with an offer on the DQ mobile app. Download at www.dairyqueen.com/app.
Dog Haus: All 36 locations are offering free burgers Tuesday to the first 100 people at each location, who choose between a This Burger or That Burger. To get this freebie, you need to download and register the Dog Haus app and then scan at the restaurant. No purchase is necessary. Download the app at http://app.doghaus.com.
Farm Burger: Grab a No. 1 FB Burger for $5 and save a little cheddar
Fatburger: Get free Postmates delivery of all Fatburger orders through Tuesday.
Islands Restaurants: Reward members get buy-one-get-one free burgers Tuesday. Become a member by downloading the Islands App to your phone and signing up.
Jack in the Box: The deal: The Jack is offering BOGO burgers. Whatever burger you order, you’re taking home a second because it’s BOGO on all burgers.
MOOYAH Burgers, Fries & Shakes: Get a free quarter-pound BYO Burger Tuesday with purchase of fries and a drink or shake. Add-ons not included.
Morton’s The Steakhouse: The National Burger Month special is available through May 31. Get a burger with matchstick fries and paired with a glass of Michael David “Earthquake” Zinfandel for $36.
Potbelly Sandwich Shop: Here’s one just for the graduates in the room. Potbelly is offering grads a BOGO deal on sandwiches if they show either a student ID or their tassel
Ruby Tuesday: Through May 31, enter the Ruby Tuesday Burger Jackpot at www.rtburgerjackpot.com for a chance to win prizes, including free burgers, the grand prize trip to Las Vegas and free Ruby Tuesday for a year.
Snuffer’s: You’re getting days and days of $5 cheeseburgers today.
TooJay’s: The Florida-based chain has a new burger lineup through July 28 and is giving members of its Delicious Rewards program double points in May.
Umami Burger: There’s no discount to be had, but if you like bonus reasons to feel good about National Hamburger Day, you’ll find them here. The chain will donate $1 from every Truffle Burger purchased to Meals on Wheels.
Wayback Burgers: For National Burger Day Tuesday, get a signature burger for $3. The chain also has been celebrating National Hamburger Month with a month of surprise deals for customers who have the Wayback app. Offers vary and include discounts, double or triple points or a free side or drink. Download the app at www.waybackburgers.com/loyalty. The app isn’t need for Tuesday’s deal.
White Castle: The fast-food chain known for its slider burgers is celebrating National Brisket Day through May 31 with a buy-one-get-one free deal. Get a free BBQ Brisket Slider with purchase of one with a coupon posted at www.whitecastle.com/value-offers.