1 (8 ounce) package cream cheese, softened
1/2 cup grated Parmesan cheese
1/2 cup chopped onion
1/2 cup chopped celery
1 (10 ounce) package frozen chopped spinach, thawed and drained
Preheat oven to 400 degrees F (200 degrees C). Spray a 2 quart baking dish with non-stick cooking spray. Line baking sheet with foil.
Spread cream cheese on bottom of prepared baking dish. Layer cream cheese, Parmesan cheese, onion, celery and spinach. Drizzle with 3/4 teaspoon salt and 1/2 teaspoon pepper.
Bake in preheated oven for 1 hour.