- Preheat oven to 425 deg. F.
- Saute onions and mushrooms in butter. Boil broccoli until tender. Prepare pie crust.
- Place broccoli, mushrooms, onions and shredded cheese on the bottom of crust. Beat together eggs, whipping cream, salt and pepper. Pour onto broccoli mixture.
- Bake for 15 minutes. Lower heat to 300 deg. F and bake an additional 40 min., or until toothpick comes out clean.