On 420, Carl's Jr. stirs the pot with cannabis-infused burger

The Rocky Mountain High Cheese Burger Delight has some truly special sauce.

Amanda Kooser
Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto.
Amanda Kooser
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The Carl's Jr. Rocky Mountain High Cheese Burger Delight made with a CBD-infused sauce. 

Carl's Jr.

Fast-food chain Carl's Jr. isn't trying to get you high, but it's found another way to celebrate 420 day, the unofficial holiday for all things pot-related. 

Carl's Jr. has your munchies fix: the Rocky Mountain High Cheese Burger Delight. It's made with a double stack of beef, pepper jack cheese, pickled jalapenos, criss-cross fries and a CBD-infused Santa Fe sauce. CBD, or cannabidiol, is a cannabis plant extract with extremely low or no amounts of THC, the psychoactive component of marijuana. 

A Rocky Mountain High burger's worth of sauce contains about five milligrams of CBD extract, which may create a calming or pain-relieving effect. 

You can't get much more limited edition than this cheeseburger, though. It's only available on April 20 at a single Carl's Jr. location in Denver at 4050 Colorado Blvd.

Watch this: Marijuana tech is evolving

Colorado legalized recreational pot use in 2014, though the legality of CBD can be a confusing subject. Hemp-derived CBD products are widely available across much of the US, but some states have cracked down on the extract. 

Read more: Where is CBD legal?

So what does a CBD cheeseburger taste (and feel) like? Guess you'll have to head to Denver to find out. And if you want to pay for it with exact change, you'll need to have $4.20 ready to go. Good one, Carl's Jr. 

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Originally published April 19.