“Healthified” Spinach Dip with Artichokes

4	cups lightly packed fresh baby spinach leaves (4 oz)
1	package (8 oz) 1/3-less-fat cream cheese (Neufchâtel), softened
1/4	cup reduced-fat mayonnaise
4	tablespoons shredded Parmesan cheese (1 oz)
1/4	cup fat-free (skim) milk
2	cloves garlic, finely chopped
1	teaspoon dried basil leaves
1	can (14 oz) artichoke hearts, drained, chopped
	Baguette slices, if desired
	Assorted raw vegetables, if desired