Dizzy Tuna Salad Niçoise | The Dizzy Dieter

Ingredients

• 450 g potatoes, unpeeled and thickly sliced
• olive oil
• 4 eggs
• 1 tablespoon red wine vinegar
• 2 tablespoons capers, soaked and drained
• 50 g sundried tomatoes in oil, drained and finely chopped
• 1 red onion, thinly sliced
• 150 g spinach leaves
• 2 tins of tuna, drained