Preheat oven to 350°F degrees.
Spray 12” skillet with cooking spray and add celery, onion, and bacon; cook until softened. Add asparagus and cook a few minutes longer.
Spray 9” pie plate with cooking spray and arrange vegetables in plate. Set aside and let cool.
In medium bowl and beat eggs, milk, yogurt, 3 oz cheese, parsley, salt and pepper; pour into pie plate. Combine remaining cheeses and sprinkle over quiche.
Bake for 50-60 minutes or until knife inserted comes out clean. Asparagus can be substituted for broccoli, mushrooms, or any other vegetable you prefer.
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