Today is National Hamburger Day. Here is a list of restaurant deals

It’s that time of year to savor the goodness of the main dish of spring and summer meals made on the grill: The almighty hamburger.

Today, May 28, is National Hamburger Day. To celebrate, our content partners at Offers.com have created this list of deals for consumers. ( Offers.com says participation may vary by location and franchise, and consumers should be sure to call ahead to make sure a local restaurant is participating.)

Amazon Restaurants: Order in and have burgers from your favorite local restaurants brought right to you. Code PERFECT10 gets you $10 off your first order.

BurgerFi: Get Cheeseburgers for just $5 each (they’re usually more than $7) on May 28.

Burger King: The Angry Whopper has returned for a limited time, featuring a quarter-pound flame-grilled beef patty topped with bacon, American choose, iceburg lettuce, tomatoes, crispy onion petals, jalepeños, mayo and angry sauce.

Carl’s Jr.: The new, limited-time Bacon Truffle Angus Burger is $5.99. It features a black Angus beef patty, white cheddar truffle sauce, two slices of bacon, crispy onion strings, Swiss cheese, caramelized onions and mayo. Also, for a limited time, try the new Triple Western Bacon Cheeseburger for $7.99, with three all-beef patties, four slices of applewood smoked bacon, American cheese, crispy onion rings and BBQ sauce.

Fatburger: Just in time for National Hamburger Day, the chain is rolling out a new King’s Hawaiian roll slider .

GrubHub: Order a burger from your favorite local burger joint, delivered straight to you. Use this coupon code to get a discount on your first order.

Jack in the Box: The perfect accompaniment to a burger, get a medium order of Curly Fries for $1 with this printable coupon .

McDonald’s: With the 2 for $5 Mix & Match Deal (valid through May 31), get two of these items for $5: the Big Mac, Filet-O-Fish, 10-piece Chicken McNuggets or the Quarter Pounder with Cheese.

Ruby Tuesday: Enter the Burger Jackpot by May 31 for a chance to win a trip to Las Vegas and free Ruby Tuesday for a year.

Sonic: Try the new King’s Hawaiian Burger Club for $4.99. It features a pure beef patty topped with bacon, lettuce, tomato, Swiss cheese and Sonic’s Signature Sauce on a King’s Hawaiian bun.

Wayback Burgers: Every guest can get a Signature Premium burger for just $3 on National Hamburger Day. Plus, those who have downloaded the Wayback Burgers app get access to a surprise deal every day in May, which may include discounts, double or triple points and even free drinks and sides. See details.

Wendy’s: Order the new $5 Biggie Bag , which includes a Bacon Double Stack, four-piece chicken nuggets, small fries and a drink.

White Castle: The chain is celebrating National Hamburger Month with a variety of promotions. Sport your western apparel every Wednesday in May, and get two free BBQ Original Sliders with any purchase. It’s also running an Instagram contest that gives a lucky winner frees sliders for a year.