4 baby gherkins, drained and sliced
50g/2oz green beans, trimmed
small handful baby spinach leaves
1 large ripe tomato, cut into 8 pieces
1 tbsp baby capers, drained
2 tbsp light mayonnaise
20g/戮oz pitted black olives in brine, drained
1 x 185g/6陆oz can tuna in spring water
freshly ground black pepper
录 tsp dried mixed herbs
1 free-range egg (fridge cold)
2 large flour tortillas or wraps (white, wholemeal or a combination)