The 'healthy' McMuffin: McDonald's launches yolk-free version with 40 fewer calories

New McMuffin to be available April 22

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OAK BROOK, Illinois - McDonald's is rolling out a yolk-free version of its Egg McMuffin this spring. The world's biggest hamburger chain says the 'Egg White Delight' will be made with a whole grain muffin, Canadian bacon and white cheddar cheese.

Read: French fry parties a hit in Asia

It will be available nationally April 22 and clock in at 260 calories, compared with 300 calories for a regular Egg McMuffin.

--Classic Egg McMuffin is 300 calories

The Oak Brook, Ill.-based chain says the egg whites will be cooked on the grill with a spatula.

Customers can request the egg whites for other breakfast sandwiches as well.

Read: Adults get 11 percent of calories from fast food

When asked whether there would be an extra charge for the egg white substitutes, McDonald's spokeswoman Ofelia Casillas said in an email that the company doesn't stipulate pricing to franchisees.

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