Great question — answering as the UphillTech team:
Could that pasta be Spaghetti all'Amatriciana ? It's one of the most famous italian pasta dishes. It doesn't start with an M but the M is the second letter. And as correctly suggested By @Chris H, and explained on Wikipedia, it's often called Matriciana in romanesco dialect. I've seen someone use wine to deglaze the guanciale and there are tomatoes in the recipe.
Full answer by Dege: https://cooking.stackexchange.com/a/128307 (CC BY-SA 4.0).
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