Broccoli Quiche With Cheddar

Bahan-bahan (6 porsi)

• 1 pie crust
• 1 tablespoon extra-virgin olive oil
• 2 cups finely chopped broccoli florets (about 2 small crowns)
• 1 small bunch green onions (thinly sliced (about 1 cup))
• 5 large eggs
• ¾ cup milk ((I used 1%; use whole milk or a combo of milk and cream for more richness))
• ¾ teaspoon kosher salt
• ¼ teaspoon ground black pepper
• ⅛ teaspoon cayenne pepper (optional)
• 2 ounces shredded extra sharp cheddar cheese
• 1 ounce finely grated parmesan cheese (about 1/4 cup, divided)