Fire up those grills even after Memorial Day — National Burger Day is May 28. 

But if you don't feel like making your own, here's where you can get a discounted burger that day. 

Arooga’s Grille House & Sports Bar: Get half off any burger all day, including interesting options like the Donut Burger or Peanut Butter & Jealousy. 

Becks Prime: Buy one and get one hamburger free on May 28 when you order with code phrase, "Happy National Hamburger Day." 

BurgerFi: Cheeseburgers are $5 each — a couple bucks off the usual price — on May 28.

Wayback Burgers: Get a Signature Premium burger for $3 on Tuesday. Plus, if you have the Wayback Burgers app, you can get a surprise deal every day in May, from discounts to free food. 

White Castle: The chain is celebrating National Hamburger Month all of May. Wear Western clothing on Wednesday and get two free BBQ Original Sliders with any purchase.

More from GateHouse Media: 

Traveling for for Memorial Day weekend? Here's what you need to know

Here's a memorable Memorial Day menu, no matter the weather

Memorial Day 2019: Food deals and freebies