Pan Bagnat aka Fancy French Tuna Salad Sandwich

Name: Pan Bagnat aka Fancy French Tuna Salad Sandwich
Prep time: 20 min
Total time: 20 min
Cuisine: American, Mediterranean
Ingredients: 1 loaf crusty French bread (*); 1/4 cup whole basil leaves; 1 clove garlic; 1 can tuna, 6 ounces ((If you love more tuna, feel free to use 1.5-2 times more)); 1/4 cup chopped parsley; 3/4 cup olive tapenade ((e.g. chopped olive is good, too) ); 1/2 red onion, chopped; 1/2 cup red sweet mini pepper, chopped ((2-3 mini peppers)); 1 can drained and chopped artichokes ((about 1/2 cup after chopped)); 6 tbsp olive oil, plus more for drizzling (If you are using tuna in oil, you can use the oil.); 1 juice from one lemon; salt and pepper, to taste