Kale Quiche

Ingredients

• Kale Quiche
• 1 recipe Quiche Crust (below)
• 2 tablespoons butter, unsalted
• 1/2 white onion, thinly sliced
• 5 crimini mushrooms, stems removed and thinly sliced
• 5 leaves curly kale, sliced
• 6 eggs, large
• 1/3 cup parmesan, finely grated
• 1/3 cup heavy cream
• 1 teaspoon kosher salt
• 1 teaspoon ground black pepper
• Quiche Crust
• 2 1/2 cups flour
• 1 teaspoon kosher salt
• 1 teaspoon sugar
• 1 cup butter, unsalted and cold
• 8 tablespoons iced water