Method
Mix pasta dough in a standing mixer until a firm ball forms.
Knead by hand for 5 minutes.Let the dough rest for 1/2 hour.
Roll pasta out using hand machine. Roll 20 times on the first setting. In between each roll, fold the dough and turn it 90 degrees. Flour if dough seems sticky.
Roll the dough 1 time through settings 2 through 5, to form a long thin sheet.
Combine all the filling ingredients in a small mixing bowl.
Cut the dough into 6 inch square pieces and fill with the cheese filling. Seal the top sheet with water and boil for 1 minute or until ravioli floats.
For the sauce, warm the butter (DON'T let the butter get too hot) and add the shallots and tomatoes and let them stew for 5 minutes.
Add the cream and let come to a boil.
Add the tarragon and season with salt and pepper and toss the cooked ravioli in the sauce and serve.