Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   3      ounces        prosciutto -- finely diced
   1 3/4  cups          basic tomato sauce for pasta
   1      cup           heavy -- (double) cream
   3      ounces        arugula -- stemmed and chopped
                        salt and pepper
   1      pound         penne

Preparation:

FAST timetable. Bring water to a boil for the pasta. Prepare the argula. Dice the prosciuttto. Start the penne and cook until a dente, about 8 to 10 minutes. - Meanwhile, in a saucepan over medium heat, combine the prosciutto and tomato sauce. Heat, stirring, until it is simmering; maintain a simmer for 3 to 4 minutes. Pour in the cream, stir until blended and simmer for 1 minute. * Add the argula and cook just until wilted, about 1 minute. Add pasta to sauce, stir to coat, and season with salt and pepper. ** Transfer to a heated bowl (pasta cools quickly). Serve immediately. * Drain pasta; shake well to drain most of the water from the tubes. **"Artsy" photo shows sauce poured on top of pasta (no mixing)