Step: 1/6

Chop the walnuts and toast lightly in a dry non-stick pan until they release their aroma.

Step: 2/6

Wash the celery and cut into thin strips. Blanch briefly in boiling salted water.

Step: 3/6

Drain the celery, rinse under cold water and drain. Wash and core the apple, then cut into fine strips.

Step: 4/6

Mix the apple, celery, nuts and yogurt and season with salt, pepper, Worcestershire sauce and Tabasco.

Step: 5/6

Place some celery salad on each turkey slice, roll up and secure with cocktail sticks. Squeeze the lemon juice.

Step: 6/6

Halve the avocado, stone and peel. Cut the avocado flesh into slices and season with salt, pepper and 1-2 tbsp lemon juice. Drizzle with oil and place the turkey rolls on top.