FOR each serving: Spread each of 2 bread slices with 1-1/2 tsp. (7 mL) dressing. Top 1 bread slice with 2 Tbsp. (30 mL) cheese, 1 pancetta slice, 1/2 oz./15 g apples (about 6 slices), 85 g turkey, 10 g onions, second pancetta slice, additional 2 Tbsp. cheese and remaining bread slice.
GRILL in preheated panini grill sprayed with cooking spray 4 min. or until golden brown. Cut diagonally in half to serve.