Step 1

Divide each roll into two portions. Shape each portion into a small ball, pulling edges under to make a smooth top. Place rolls 2 to 3 inches apart on a floured sheet of parchment paper or waxed paper. Lightly cover and let rise for 1 to 1 1/2 hours or until nearly double in size.

Step 2

Preheat oven to 375°F. In a very large mixing bowl beat cream cheese with an electric mixer on medium to high speed for 30 seconds. Add sour cream and milk; beat until combined. Beat in 1 1/2 cups of the shredded cheeses. Stir in artichokes, spinach, green onions, and garlic. Transfer artichoke mixture to an oven-going very large skillet, spreading evenly. Sprinkle remaining shredded cheeses over dip.

Step 3

Bake for 15 minutes. Remove skillet from oven.

Step 4

Arrange rolls with sides touching on top of hot dip (rolls will fit snugly and cover entire surface). Lightly brush roll tops with melted butter. Sprinkle rolls with Parmesan cheese. Bake for 15 to 20 minutes more or until rolls are golden and dip is hot. Let stand for 10 minutes before serving.