@RPCLady We do add a pinch of herb for a little color,
@Jen We do not mix anything up ahead of time, everything comes together under the mozz as it bakes. We use a deck oven, and also have a hand-stretched thin crust pizza, so the heat transfer into the cream and cheese is good, I do not know how well my technique would work on a thicker crust, or in an air impingement oven, or if a screen is employed while baking. Give it a shot and try it out
My first shot at an alfredo sauce I did it the way I used to do it for pasta back in my fine-dining days, basically heavy cream and Romano in a saute pan and heat to tighten it, toos in pasta, done.,
But, I found problems storing it, when chilled it was like concrete and could not be spread on the pizza properly either. And not wanting to add steps to the pizza making process, I was not willing to have a line cook make alfredo sauce on the stove for each pizza as ordered, so I experimented by building an uncooked alfredo sauce on the cold dough, and the results were what I had hoped for .
My motto is K.I.S.S. (Keep It Simple, Stupid) it helps everything be more repeatable and consistent