Not sure where the 900 calories come from. An Egg McMuffin is 290 cals and hash browns are 130 cals for a total of 20g fat, 41g carbs, and 18g protein.

Remarkably, they simply conclude that this provides "...strong support for adopting a healthy diet low in fat and high in fruits and fiber to help protect against heart disease." It's doubtful that even a sixth-grade science fair project could get away with that leap.