Ingredients for 2 serves:
1 can of canned tuna;
6-8 quail eggs;
6-8 cherry tomatoes;
Rucolla lettuce leaves;
1 red onion;
10-15 olives (green olives).
For dressing:
4 tbsp of olive oil;
1 tbsp of balsamic vinegar;
1 tsp of Dijon mustard;
1/2 tsp of lemon juice.