Make sure your frozen spinach is thawed and drained of all excess water.

In a large bowl, add in softened cream cheese, thawed spinach, can of drained artichoke hearts, marinated artichoke juice, marinated drained artichoke hearts, chopped garlic, dried minced onion, cheesoning, crushed red pepper flakes, mayo, and sour cream. Mix that all together until combined.

Then, add in salt, cracked black pepper, grated pecorino romano, and shredded mozzarella. Fold everything together until combined.