French green bean salad

Ingredients

• 450g new potatoes, cut in half
• 2 eggs
• 115g green beans
• 6 medium-sized tomatoes, chopped in quarters
• 1 x 400g can artichoke hearts in water, halved
• lettuce leaves, washed and torn
• 50g black olives
• 1 x 180g can tuna in spring water, drained
• 2 tablespoons olive oil
• 1 tablespoon balsamic vinegar
• 1 clove garlic, finely diced
• ½ teaspoon dijon mustard
• black pepper