Garlicky Spinach Dip with Hearts of Palm

Chips:

(6-inch) corn tortillas, each cut into 8 wedges

Cooking spray

salt

Dip:

shredded part-skim mozzarella cheese

grated Asiago cheese, divided

fat-free sour cream

minced fresh garlic

hearts of palm, drained and chopped

frozen chopped spinach, thawed, drained, and squeezed dry

block fat-free cream cheese, softened

tub light garlic-and-herbs spreadable cheese (such as Alouette Light)