Asparagus-Mushroom Quiche

This is another recipe I got from Shaant. It's absolutely delicious and I made it today! I pretty much ate half the quiche myself. :-)

Ingredients:
5 slices bacon (or bacon bit equivalent)
2 T. olive oil
1 small onion, cut into 1 inch pieces
1 c. chopped fresh asparagus
1 c. mushrooms, sliced
2 eggs
3/4 c. half and half
1 (8 in.) unbaked pie shell
1 egg white, beaten slightly
1 c. sharp cheddar cheese (any cheddar cheese will do)
1/4 c. feta cheese
1/2 t. salt
pepper

Directions:
Preheat oven to 400*. Cook bacon till crisp, drain, crumble and set aside (skip this step if using bacon bits). Heat oil in skillet over med-high heat. Add onions and cook until translucent. Reduce heat to med and add mushrooms; cook until tender, set aside. Bring a saucepan of salted water to boil, cook asparagus until just tender (1-2 min). Immediately drain and run under cold water. Brush pie shell with egg white (I skipped this step today and the bottom of the pie crust was mush, so next time I will be using the egg white). Place onion/mushroom mixture, asparagus, and bacon in bottom. Sprinkle cheese on top. Whisk together half and half, egg, salt and petter and pour over top. Bake uncovered for 35-40 min or until firm and lightly browned on top. Let cool and serve.