1Add a block of softened cream cheese and half a cup of sour cream to a bowl.
2Mix until well combined.
3Add half a cup of grated parmesan, one cup of shredded mozzarella, one tablespoon of minced garlic, one tablespoon of minced onion, a pinch of salt, pepper, and red pepper flakes.
4Add ten ounces of frozen spinach, thawed and drained.
5Mix well.
6Transfer the mixture to a greased 8x8 baking dish.
7Top with one cup of mozzarella cheese.
8Bake at 350 degrees for 10 minutes.
9Broil for a couple of minutes, keeping an eye on it.