Preheat oven to 350 degrees, and mist a pie plate with non-fat cooking spray.
Melt butter in a large skillet over medium high heat. Add in the onion and garlic, and sauté for about 2 minutes. Add in the broccoli, and cook for another 2-3 minutes, or until broccoli is tender. Season with a bit of salt and pepper. Pour into prepared pie pan. Top with the shredded cheese.
In a medium bowl, whisk together the remaining ingredients. Season with additional salt and pepper.
Pour egg mixture into the pie pan.
Bake for 35-40 minutes or until top is golden and a knife inserted in center comes out clean; let stand 5 minutes.
Notes
The entire recipe makes 6 servingsThe serving size is 1/6th of the quiche