Cut cherry tomatoes in half.
Wash and cut cucumber lengthwise in half. Then slice.
Cut paprika in strips.
Peel and slice onion in half moons. Soak in water for 5 min to cut bitterness.
Mix all in a bowl. Add olives and capers.
Combine together all the ingredients for vinaigrette in a small bowl.
Pour the vinaigrette over the salad. Toss gently.
Add feta and give a gentle toss.