Asparagus Gratin | Canadian Living

Ingredients

• 2 teaspoons butter
• 2 onions chopped
• 6 cups mushrooms thickly sliced
• 1/3 cup all-purpose flour
• 1 lb asparagus
• 3 eggs
• 1 1/2 cup 1% milk
• 1 teaspoon Dijon mustard
• 1/2 teaspoon salt
• 1 pinch cayenne pepper
• 1 pinch nutmeg
• 1 cup Swiss cheese shredded
• Protein 11 g
• Calories 160.0
• Total carbohydrate 13 g