6 hard-boiled eggs, whites only, chopped into 1/2 inch pieces |
1 celery rib, cut into 1/4 inch pieces |
1 avocado, pitted and peeled (cut into 1/2 inch pieces) |
1 granny smith apple, cut into 1/4 inch pieces |
2 tablespoons reduced-fat mayonnaise |
1 tablespoon flat leaf parsley, finely chopped (fresh, not dried) |
1/2 teaspoon lemon juice or 1/2 teaspoon lime juice |
1/2 teaspoon salt (optional) |
1/4 teaspoon ground pepper |
4 leaves butter lettuce, for serving |