Ingredients

Instructions

  1. Cook potatoes and garlic in a large pot filled with boiling, salted water until potatoes are very tender, about 15 minutes.
  2. Drain, return potatoes and garlic to the same pot.
  3. Meanwhile, heat 1/2 cup butter in heavy small saucepan over medium heat.
  4. Add chopped prosciutto and 3/4 teaspoon minced rosemary.
  5. Sauté until fragrant, about 2 minutes.
  6. Add prosciutto mixture and 3/4 cup milk to potatoes and garlic.
  7. Mash well, adding more milk by tablespoonfuls if potatoes are too dry.
  8. Mix in 3/4 cup parmesan cheese.
  9. Season with salt and pepper.
  10. Transfer to a large serving bowl.
  11. Sprinkle with remaining 1/4 cup parmesan cheese.
  12. Garnish with additional fresh rosemary, if desired.