Sweet-Ham and Havarti Sandwiches with Orange Pecan Mustard

1/3 cup pecans
1/4 cup Dijon mustard
2 tablespoons orange marmalade
2 ciabatta rolls or 4 slices of pumpernickel bread
6 ounces Black Forest or honey cured ham
3 ounces thinly sliced Havarti cheese

Pulse pecan pieces in a mini-food processor until finely ground.  Mix together with the mustard and marmalade.  Cut ciabatta rolls in half.  Spread with olive oil or butter and grill them cut side down until lightly browned.  Spread each slice with some of the orange pecan mustard.  Add ham and cheese and, if desired, halve diagonally.  Makes 2 sandwiches.