Sirena Tuna, bean, snowpea salad with herb oil - Sirena Tuna

Ingredients

• 1 cup (140g) pearl couscous
• 100g green beans, trimmed
• 100g yellow (butter) beans, trimmed (substitute green beans)
• 150g snow peas, trimmed
• 2 jars (400g) Sirena Premium Tuna Fillets in Extra Virgin Olive Oil, drained
• 1 baby fennel, very finely sliced (we used a mandoline)
• ⅓ cup (55g) pistachio, lightly toasted, roughly chopped
• 1 cup mixed herbs (we used basil and flat-leaf parsley) plus extra herbs to serve
• ⅓ cup (80ml) extra virgin olive oil
• 1 tbs capers, plus 2 tsp extra to serve
• Finely grated zest and juice of 1 lemon