red onions, peeled, cut in half and thinly sliced
balsamic vinegar, divided
prosciutto ham, thinly sliced
1 1/2 lbs
strawberries, cleaned, with stems left on
1/3 lb parmesan cheese or 1/3 lb
asiago cheese, very thinly sliced
- The day before serving, heat the olive oil over medium-high heat in a large skillet. Add the onions and quickly sauté just until they begin to soften, about 4 minutes. Stir in 2 tbls. of the vinegar, stirring to coat. Transfer to a bowl, cover and refrigerate.
- Two hours before serving, remove the onions from refrigeration and stir in the remaining vinegar.
- Roll each slice of prosciutto loosely and arrange at one end of a large platter; pile the strawberries in the center and the onions at the other end. Tuck the slices of cheese around the platter and serve.