Tuna croutons

Recipe appetizers for 4 people based on Tuna with tomato.

Preparation:

Preparation: Drain the oil from the tuna; crumble it and collect it in a bowl. Finely slice the shallots. Divide the lemon in two, cut half into very thin slices and squeeze the other half. Add the shallots to the tuna, the lemon slices and the juice passed through a strainer, four tablespoons of oil. Gently mix, add the peeled, seeded and diced tomatoes, a few basil leaves. Cut the bread into slices, toast them and spread over the tuna mixture.