Preheat oven to 350º F. Spray a 9x13 baking dish with nonstick spray.
Add sausage to a large skillet set over medium heat. Crumble and cook for 2 minutes. Add onions and garlic and cook until browned. Add greens, broccoli and red pepper and cook about 2 minutes or until spinach is wilted. Season with salt and pepper. Pour mixture into the prepared baking dish. Top with feta cheese.
In a medium bowl, whisk together the eggs and the milk. Pour over sausage-vegetable mixture and bake 25 to 30 minutes or until eggs are set. Let cool slightly and enjoy!
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Notes
Storing: Any leftover breakfast bake can be stored in an airtight container in the fridge for 4-5 days.Reheating: The easiest way to reheat is to place it in the microwave for 30-45 seconds. You can also reheat it in a 350F oven or toaster oven for 5-8 minutes or until warmed through.