Preheat the oven to 400 degrees
To cook asparagus- (Skip if using asparagus that is already precooked) Add a tablespoon of olive oil to a pan over medium heat and sauté the asparagus with the garlic.
Add the eggs, cream, salt, and pepper to a bowl and whisk to combine.
Add the precooked asparagus to a 9 x 13 dish and pour the egg mixture on top.
Sprinkle the feta and green onions on top
Bake in the oven for 30 minutes or until the center is no longer jiggly.