Filled tomatoes

Ingredients: 4 tomatoes 500 g of natural tuna (preferable). 50 g of pitted black olives. Mustard (optional). Basil. Pepper. Salt. Preparation: Cut the top of the tomatoes and extract the pulp. Next, season the chopped pulp with mustard (optional), salt and pepper and mix it with the tuna, the chopped olives, and the basil. Fill the tomatoes with the previous mixture and put them in the fridge before serving them. If you prefer, you can add new ingredients to the mixture, such as a little bit of lettuce cut into thin strips.