Cut turkey into 1/2-inch-thick slices. Place between 2 sheets of heavy-duty plastic wrap, and flatten to 1/8-inch thickness, using a meat mallet or rolling pin.
Combine flour, salt, and pepper, and dredge turkey in mixture.
Melt 2 tablespoons butter with oil in a large skillet over medium-high heat. Add turkey; cook, in batches, 1 1/2minutes on each side or until golden. Remove from skillet, and keep warm.
Add remaining 1 tablespoon butter, wine, and juice to skillet, stirring to loosen bits from bottom of skillet. Cook 2 minutes or just until thoroughly heated.
Stir in parsley, garlic, and capers; spoon over turkey. Garnish, if desired. Serve immediately. Prep: 15 min., Cook: 15 min.
Note: Serve over hot cooked angel hair pasta, if desired.