1. Wash tomatoes, cucumber, and pepper well.
2. Cut tomatoes into wedges.
3. Slice pepper.
4. Peel cucumber and onion and cut into thick slices.
5. Cut feta cheese into thick cubes.
6. Place everything on a large salad platter.
7. Add olive oil and vinegar.
8. Season with salt and oregano, and then toss.
Serve with all dishes.
Accompany with wine or beer.