1Flatten chicken to 1/4-in. thickness.
2place one cheese and prosciutto slice down the center of each.
3Roll up jelly-roll style,
4starting with a short side;
5secure with toothpicks.
6In a small skillet, brown chicken in butter and oil on all sides;
7transfer to an 8-in.
8Square baking dish coated with cooking spray.
9Cover and bake at 350° for 20-25 minutes or until a thermometer reads 170°.
10In the same skillet, saute onion and garlic until tender.
11Stir in flour until blended; gradually add wine. B
12ring to a boil; cook and stir for 2 minutes or until thickened.
13Stir in the remaining ingredients.
14Discard toothpicks from chicken rolls; serve with sauce.