Preheat oven to 350 degrees Fahrenheit.
Combine first eight ingredients in a large microwave-safe mixing bowl.
Microwave for one minute intervals, stirring in between, until cheese is fully melted and incorporated. Set aside.
Prepare 1 package Hawaiian rolls by cutting out a square from the center of each. Arrange on a baking sheet.
Generously fill hollowed Hawaiian rolls with spinach dip.
Brush or spoon melted butter over top of each roll.
Top with sprinkles of remaining ½ cup of Tillamook Whole Milk Mozzarella shreds.
Bake at 350 until cheese is golden brown and serve immediately.
