Step 1

Preheat oven to 350°. In a large bowl, combine Alfredo sauce, cream cheese, Parmesan and Romano cheese, 1/4 cup mozzarella cheese and garlic; mix well. Stir in artichokes and spinach. Transfer to a greased 4 or 5-cup broiler-safe baking dish. Sprinkle with remaining 1/4 cup mozzarella cheese.

Step 2

Bake, uncovered, until bubbly, 20-25 minutes. Preheat broiler. Place baking dish on a baking sheet. Broil 4-6 in. from heat until top is golden brown, 1-2 minutes. Serve with tortilla chips.