Rocket Leaves Feta Salad

3 cups rocket leaves
1/2 cup orange segments
1/4 cup feta cheese, crumbled
1/3 cup walnuts
2 tablespoons balsamic vinegar
rock salt to taste

Wash the rocket leaves in cold water and then place in a cloth to remove water.
Put the rocket leaves, orange segments, geta cheese and walnuts in a large bowl and chill in a refrigerator.
Just before serving, add the balsamic vinegar and salt to the bowl and mix well.
Serve chilled.