1) Cut the tomatoes into bite-sized pieces. Cut the avocado and the cream cheese into 1cm cubes, and the onions into thin slices.
2) In a bowl, put ingredients 1), Extra Virgin Olive Oil, lemon juice, salt and pepper, and the chopped basil leaves and mix well.
3) Place 2) on a plate. Garnish with basil leaves and pour a generous amount of Extra Virgin Olive Oil (not included in the ingredients) to finish the dish.