Drain chunk white tuna in water.

Mash the tuna in a large bowl.

Finely chop carrots, red onion, parsley, celery, and scallions.

Add the chopped vegetables to the mashed tuna.

In a separate small bowl, place mayonnaise.

Crush the garlic clove and add it to the mayonnaise.

Add the lemon juice to the mayonnaise mixture.

Pour the mayonnaise mixture into the tuna and vegetable mixture.

Mix everything together thoroughly.

Add salt and pepper to taste.

Serve the tuna salad on rolls with lettuce and tomato as accompaniments.