1. Drain tuna and place in a bowl.
2. Add yoghurt, Major Mediterranean Mari Base, salad dressing and lemon juice.
3. Mash with a fork until well combined.
4. Add dill and season to taste. Mix well.
5. Spoon the mixture into 6 small ramekins and place a slice of lemon on top of each one.
6. Refrigerate for at least 2 hours.
7. Serve with French bread and celery.