Charred greens and tuna Niçoise | Tesco Real Food

Ingredients

• 500g new potatoes
• 4 eggs
• 220g green beans
• 2½ tbsp olive oil
• 1 lemon, juiced
• 1 tbsp Dijon mustard
• 5g fresh oregano, leaves picked and finely chopped
• 1 red onion, finely sliced​
• 1 pepper, deseeded and sliced
• ½ cucumber, finely sliced into halfmoons
• 100g baby spinach
• 2 x 145g tins tuna in brine, drained