In a large bowl, combine the spinach, garlic, onion, sour cream, cream cheese, milk, 1 cup of the mozzarella cheese, parmesan cheese, Worcestershire sauce, salt, pepper, and optional hot sauce. Mix well.
Step 2
Pour the mixture into an oven-safe, 9-inch skillet. Sprinkle the remaining 1/2 cup of the mozzarella cheese on top.
Step 3
Bake for 20-22 minutes, or until the cheese is melted and bubbly. Then, set the oven to broil and cook an additional 5 minutes, or until the cheese is golden brown.
Step 4
Top with cooked and crumbled bacon, and serve warm with toasted baguettes, vegetables, crackers, or chips.