Asparagus and Mushroom Quiche | Hy-Vee

Ingredients

• 21 asparagus spears, trimmed
• 8 ounces mushrooms, sliced
• 3 tablespoons unsalted butter
• 1/4 cup all-purpose flour
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 1/4 teaspoon nutmeg
• 3 large eggs
• 1 1/2 cups heavy cream
• 1/2 cup grated Gruyère cheese