Pan Bagnat Panzanella (Salad)

Ingredients

• ½ loaf crusty bread or baguette, cut or torn into chunks
• 1 ripe tomato, chopped
• ½ purple onion, chopped
• 1 can tuna in oil, drained
• 1 hard-boiled egg, peeled and chopped
• a handful of torn fresh basil or Italian parsley
• ½ cup Kalamata olives
• Parmesano-Reggiano
• a couple spoonfuls of capers, drained
• ½ cup canola or olive oil
• ¼ cup red wine vinegar
• ¼ cup lemon juice
• lots of pepper