Fast food giant McDonald's is betting on premium burgers and launching new sandwiches made with 100 percent sirloin.

The burgers are a limited-time offering weighing in at one-third of a pound that will roll out nationally by May 11 at an average price of $4.99. (Tweet This)

The sirloin burger will be available in three versions: bacon and cheese, lettuce and tomato and a steakhouse version with mushrooms, grilled onions and white cheddar cheese.

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