TURKEY Marinade: Mix mustard, herbs, salt and pepper; spread over turkey. Place in half-sheet pan. Bake in 400ºF standard oven 20 min. or until done (165ºF). Cool completely before slicing.
DIJON-VINEGAR Frisee: Whisk oil, mustard, vinegar and seasonings in bowl. Add frisee; toss to coat.
DIJON Mayonnaise: Mix mustard and mayonnaise. Refrigerate until ready to use.
FOR each serving: Spread 1 Tbsp. jam onto 1 toast slice; top with 3 oz. turkey, 3 pancetta slices, about 1/4 cup Dijon-Vinegar Frisee and second toast slice. Repeat layers of turkey, pancetta and Dijon-Vinegar Frisee. Spread third toast slice with 2 Tbsp. Dijon Mayonnaise; place over sandwich. Cut into quarters.