Asparagus Red Pepper Quiche - Oryana

Ingredients

• 1 tablespoon butter
• 1 small leek, white and light green parts only, washed well, thinly sliced
• Sea salt and black pepper
• 1 bunch (1 lb) asparagus, trimmed
• 1 roasted red pepper, cut into strips
• 6 eggs
• 1 1/4 cups half-and-half
• pinch nutmeg
• Pie crust, fitted into a 9-inch pie plate, chilled*
• 1 cup packed shredded Gruyere cheese