Italian Tuna Salad

Ingredients

• 1 can solid white tuna in olive oil or water
• 6 cherry tomatoes , halved
• 4 endive spears , cut into 8 pieces
• Small handful of green beans
• 2 small red bliss potatoes (or similar variety)
• 2 tbsp small black olives (e.g., Nicoise, taggiascha, or Kalamata)
• 1 boiled egg , peeled and quartered
• 1 small red onion , peeled and sliced
• 3 oz virgin olive oil (or pure)
• 2 oz sherry, red wine, or other vinegar
• 1 tbsp capers (optional)
• ¼ tsp salt
• Fresh pepper, to taste