Close the jar with a lid and shake well to combine all the ingredients.
Preparation of the salad
In a large bowl, place chopped tomatoes (2 pcs) and cucumbers (2 pcs), cut into half-moon pieces. Also add thinly sliced red onion (to taste). If desired, you can add capers (40 g) and lettuce leaves (30 g).
Instead of one cucumber, you can add one bell pepper.