Sonic is going to be the first quick service food chain to test out the new ‘blended burger’. This burger is a combination of beef and mushroom, at about 25-30% mushroom and weighs around 3 ounces. Although this is being done in hopes of a healthier alternative and less strain on the environment, Sonic is going to market this for it’s flavor and added juiciness. The new burger, called the Sonic Slinger, will be tested in various markets for 60 days starting at the end of August.

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