Tuna Marinette

Ingredients

• Tuna (thon)
• Small firm tomatoes, sliced into rounds
• New onions (petit oignons nouveaux), thinly sliced
• Potatoes, boiled in water, sliced into thin rounds
• Oil
• Salt and vinegar (ordinary salad seasoning)

Instructions

1. Arrange the tuna on serving platters.
2. Alternate layers with very thinly sliced new onions and thin rounds of firm small tomatoes dressed in oil.
3. Surround the composition with a border of thin rounds of potatoes that have been cooked in water.
4. Dress the entire dish with the ordinary salad seasoning (vinaigrette).