Place a large pot with water and salt on high heat and bring to a boil.
Meanwhile, add minced shallot, lemon juice, and vinegar to a small pot and place over medium-high heat for 5-8 minutes. Cook until nearly all liquid has evaporated.
Once all liquid has been reduced, begin whisking and adding 1 cold cube of butter at a time. Continue whisking until all butter has been emulsified with the reduction.
Add salt and chopped parsley and leave on lowest heat, whisking occasionally until needed.
Boil ravioli for 4 minutes then remove the ravioli and place them in a large sauce pan on medium-low heat.
Toss ravioli in sauce pan with lemon butter sauce. Top with chopped pistachios, mint leaves, and freshly grated parmesan cheese.