Wash tomatoes and slice of the top of each tomato. With sharp knife cut inside of each tomato around it (be careful not to cut the flesh) and scoop all seeds. Cut each tomato to make a flower.
Dice all seeds that were scooped from tomatoes.
In the medium bowl mix diced tomatoes with cucumber. Drain excess water from tomatoes and cucumber.
Add red onion, feta cheese and parsley. Add pepper and salt. Mix all ingredients.