Preheat oven to 375 degrees F. Lightly grease a 7x11 inch baking dish.
In a medium bowl, mix together the softened cream cheese, mayonnaise and sour cream until smooth. Mix in the drained spinach and drained, chopped artichokes.
Mix in the garlic, lemon juice and reserved marinade.
Fold in 1 cup of grated parmesan cheese.
Spread evenly into the prepared baking dish.
Bake covered for 20 minutes.
Remove the cover, and top with additional ½ cup shredded parmesan cheese.
Let the dish bake uncovered for 5 more minutes, or until the surface is lightly browned.
Serve with pumpernickel, rye or sourdough crostini.
The calories shown are based on the recipe serving 12 people, with 1 serving being 1/12 of the baked dip. Since different brands of ingredients have different nutritional information, the calories shown are just an estimate. **We are not dietitians and recommend you seek a nutritionist for exact nutritional information.**