The popular fast food chain Sonic Drive-In is making a change to the traditional burger -- swapping in mushrooms for some of the meat to make it lower calorie and more environmentally friendly.

The Magic: The Gathering Secret Lair Drops for Sonic comprises three sets: Secret Lair X Sonic: Friends & Foes, Secret Lair X ...

Sonic Drive-In revamped the traditional American cheeseburger with its new Sonic Signature Slingers, a first of its kind in fast food. The perfect-sized cheeseburger patty is made with three simple ...

The mushroom planet is far from the only Easter egg and reference to the wider Sonic franchise though.. Fans should be able to spot the most recognisable ones, such as Sonic being given his iconic ...

As of today, Sonic is now the first fast food restaurant to offer a blended burger at all of its 3,500-plus locations. By using a patty made up of roughly 25-30% mushrooms, the environmental ...

If you're craving a Pennsylvania Farm Show "Blended Burger" from the Mushroom Farmers of Pennsylvania's booth, you're in luck. A similar part-beef, part-mushroom burger is now on the menu at Sonic ...

Signature Slinger starts under 350 calories. In a first for national quick-service chains, Oklahoma City-based Sonic Drive-In said Thursday it would roll out a lower calorie, environmentally ...

Blended Mushroom-Beef Burgers Go Mainstream At Sonic Drive-In : The Salt The fast-food chain is about to roll out a new kind of burger, made from a mixture of beef and mushrooms.