Tuna Provençale on a Baguette

Ingredients

• 2 large tomatoes, peeled and chopped
• 5 black olives, pitted and finely chopped
• 1/4 tsp (1 mL) salt
• 1 baguette (6 oz / 170 g,about 24 in / 61 cm long)
• 1-1/2 tbsp (22 mL) extra-virgin olive oil
• 1 large onion
• 1 large green bell pepper
• 2 cans (6 oz / 170 g each) water-packed albacore tuna, drained
• 2 tbsp (30 mL) white wine vinegar
• 2 garlic cloves, minced
• 1/4 tsp (1 mL) anchovy paste