Tuna Niçoise Salad

1 med/large or 6 small potatoes,  cut into bitesize chunks

60g  green beans, trimmed

1 tomatoes, halved and sliced

Florette mixed salad

2 eggs

50g pitted black olives

1 tin of tuna

For the dressing –

Juice of ½ a lemon

2 tbsp olive oil

1 garlic clove , minced/grated

Salt and pepper

½ tsp Dijon mustard