Spinach prosciutto salad

Makes 6 servings
1/6 lb. prosciutoo, finely chopped
1/4 cup olive oil
1 clove garlic, chopped
1/4 cup dry white wine
1/4 cup lemon juice
1 Tbsp.  sugar
Salt and pepper, to taste
1 lb.  fresh spinach, washed, stemmed and torn into pieces
1/4 cup chopped walnuts
1/2 c.  sliced black olives
grated parmesan cheese
1.  Cook and stir prosciutto in hot oil in skillet over medium heat.  When browned, add garlic.  Cook 2 minutes.  Add wine, juice, sugar, salt, and pepper;  heat just until simmering.  Pour over spinach in bowl. 
2.  Add walnuts, olives, and Parmesan to bowl;  toss.  Serve at once while dressing is still warm.