re: Shrimp Freddy (photos)

The milk is there for adjusting the alfredo when you make it and then when added. The wife is pretty good and hardly ever needs to adjust the consistency of the finished dish.

Keeping a little pasta water handy in case you need it is also a good idea.

Her finished dish is as thick as it looks in that photo. If you like it thinner than that I would certainly work in that direction - probably with pasta water and probably after combining everything so that I could get it just as I wanted.