Asparagus and Morel Quiche - edible Southeastern Massachusetts

Ingredients

• 1½ cups whole-wheat pastry flour or all-purpose flour
• 10 tablespoon cold butter, cut into chunks
• 4 large eggs
• 10 to 12 fresh morels, or other special mushrooms, brushed clean, trimmed, and cut attractively
• 1 cup slender asparagus, or other seasonal garden treat, cut in 2-inch pieces
• 1½ cups half-and-half
• ¾ teaspoon salt
• ½ teaspoon freshly ground black pepper
• 1 cup shredded gruyere cheese
• 1 green onion, finely chopped