sicilian tuna and potato salad

Ingredients

• 1 - pound red or fingerling potatoes sliced 1 inch thick
• 2 - lemons,1 juiced and 1 cut into wedges
• 1 teaspoon anchovy paste ( optional )
• 1 large clove, garlic, grated or finely chopped and mashed with a little salt
• 1/4 cup extra-virgin olive oil (evoo)
• 1 pint cherry tomatoes, halved, or 4 plum tomatoes, thickly sliced
• 4 - ribs celery with leafy tops sliced 1 inch thick on an angie
• 1 - small red onion, quartered lengthwise and thinly sliced crosswise
• 1 cup loosely packed flat-leaf parsley, coarsely chopped
• 1/2 cup caperberries, halved, or 1/4 cup drained capers
• 1 - loaf ciabatta, torn into pieces
• 1 small hot chille, seeded and finely chopped
• - salt and pepper to taste
• 1 can 14 oz tuna