1Heat oven to 425. Line a 9" pie pan w/ crust. Place pie pan on a baking sheet, prick the crust w/ a fork. Bake 20 mins, let cool.
2Reduce heat to 375. Heat oil and butter in lg skillet, over medium heat. Add shallots, cook 1 mins. Add mushrooms, cook 2 mins. Stir in parsley.
Cook 2 mins more. Stir in garlic and 1/4 tsp salt. Cook 2 mins, turn off heat.
3In lg bowl, whisk together eggs, light cream remaining salt and pepper. Sprinkle mushroom mix over bottom of crust. Pour egg mix over mushrooms. Sprinkle w/ cheese. Bake 25-30 mins, or until a knife inserted in center comes out clean.