Artichoke Pie

Bahan-bahan (8 porsi)

• 2 teaspoons extra virgin olive oil
• 1 large onion (chopped)
• 1 9 -inch frozen pie crust ((regular size, not deep))
• 15 oz can artichoke hearts ((in water) drained and quartered)
• 4 large eggs
• 1/2 cup grated parmesan cheese
• 1/4 cup chopped parsley
• 1 1/3 cups shredded part-skim mozzarella