Grilled Chicken Avocado Sandwiches

Boneless, skinless chicken breasts, sliced in half lengthwise if too thick, marinated in Worcestershire sauce and then grilled
Sliced cheese, Swiss or Provolone is good
Slices of avocado
Slices of tomato
Onion rolls or Kaiser buns

Dressing:
A big scoop of mayonnaise
Grated lime peel
Freshly squeezed lime juice
1 tsp. or so of Worcestershire sauce

Grill chicken, discarding marinade. Squeeze a little lime juice over chicken when almost done grilling if desired. Place cheese on top to melt. Lightly toast or grill buns and spread with dressing. Pile on the rest and enjoy.