What proportions to mix pesto and Alfredo?!
Answers:
That's up to you
I would start with 1 part Pesto to 3 parts Alfredo, but you may want it more Pesto than Alfredo
Start with the 1 to 3 ratio and add, tasting along the way, until the desired taste is achieved
Pesto is very, very strong. I'd start with the alfredo sauce, and add just a tablespoon or two of pesto per cup of alfredo sauce, tasting to make sure you're happy with it and the cream sauce isn't overwhelmed by the pesto.
However much you'd like to add - I would use 1 part pesto to 2 parts of alfredo, but that's just my preference.