In a large bowl, mash the cream cheese until smooth. Mix in the artichoke hearts, chicken, ricotta, spinach, parmesan, garlic powder, salt and pepper.
8 oz cream cheese, 2 cups marinated artichoke hearts, 2 cups chopped cooked chicken, 16 oz. ricotta cheese, 12 oz. frozen chopped spinach, 1 cup grated parmesan, 1 teaspoon garlic powder, ½ teaspoon salt, ½ teaspoon black pepper