Turkey Marsala with Sautéed Spinach

Preparation

1. Step 1

   Heat oil in a 12-inch heavy skillet over medium heat until it shimmers. Cook onion with 1/4 teaspoon salt and 1/8 teaspoon pepper, stirring occasionally, until golden, about 6 minutes.

   Step 2

   Add spinach and cook, stirring occasionally, until tender and liquid spinach releases has evaporated, about 4 minutes. Divide between 2 plates.

   Step 3

   Pat turkey cutlets dry and season with 1/4 teaspoon each of salt and pepper (total).

   Step 4

   Heat butter in skillet over medium heat until foam subsides, then sear turkey until pale golden, 1 to 3 minutes. Flip cutlets over and place 1/2 slice prosciutto on each. Top with cheese, then cover and cook until cheese is melted and turkey is just cooked through, about 1 minute. Transfer turkey to plates with spinach.

   Step 5

   Add Marsala to skillet and boil, scraping up any brown bits, until reduced by half, then spoon over turkey and spinach.