12 oz. Pappardelle's Smoked Mozzarella and Fire Roasted Red Pepper Ravioli
1-1/2 sticks unsalted butter, chilled
1/2 teaspoon salt
1/3 cup shallots, minced
2/3 cup dry white wine
3 tablespoons water
1 teaspoon fresh lemon juice
Garnish: 1/2 cup walnuts (toast walnuts and serve on top – not blended into the sauce)