Spinach Artichoke Dip

1 box frozen chopped spinach, thawed
1 cup sour cream
1/2 cup grated Parmesan Cheese
1 cup shredded mozzarella cheese
8 oz cream cheese, softened
2 cloves garlic, crushed
1/2 tsp freshly ground black pepper, plus more as needed
1 tsp hot pepper sauce, plus more as needed
1 (14 oz) can artichoke hearts, drained and chopped
pita bread, broiled till lightly browned, baked tortilla strips, carrots
and celery sticks, for serving

Preheat oven to 350 degrees F.
Squeeze all excess liquid from spinach, mix with sour cream, Parmesan,
1/2 cup of the mozzarella, the cream cheese, garlic, pepper and hot
sauce. Mix until just blended. Add artichokes and mix again. Place in a
1-quart baking dish. Top with remaining mozzarella. Bake until bubbly,
about 30 minutes. Serve with carrot and celery sticks or baked tortilla
strips or pita bread chips.