For Salad:
3 chicken breast halves |
| 1 Boston or Bibb lettuce (mignonette), torn into serving pieces |
| 2 cups lightly packed watercress sprigs |
| 5 tablespoons lemon juice |
| 2 tablespoons dijon mustard |
| Grated zest (rind) of 2 lemons |
| 1/3 cup toasted almonds, for serving |
| 2 tablespoons grated lemon zest, for serving |