Spinach Artichoke Bread

frozen dinner rolls (thawed, instructions below)

eight-ounce package cream cheese (softened)

eight-ounce carton sour cream

milk (can also use heavy cream)

shredded parmesan cheese (divided)

shredded asiago cheese

can artichoke hearts (drained and finely chopped)

finely chopped fresh baby spinach

garlic (minced)

butter (melted)