Spinach Casserole

4 packages (10 ounces each ) of frozen chopped spinach
1 can ( 10 3/4 ounces) of condensed cream of mushroom soup
1 teaspoon of garlic salt
1/2 cup of milk
2 eggs, beaten
1/4 stick of butter, melted
3 tablespoons of Parmesan Cheese 

Instructions:

Preheat your oven to 350ºF. Mix all of the ingredients together well an pour into a 2 quart baking dish. Bake for 45 minutes. Serves 7