- 4 tomatoes on the vine, cored and chopped
- 1/2 red onion, thinly sliced
- 1/2 seedless English cucumber, chopped
- 3 tablespoons extra-virgin olive oil, or more if needed
- 1 tablespoon chopped fresh oregano
- salt and ground black pepper to taste
- Mix tomatoes, red onion, cucumber, olive oil, oregano, salt, and black pepper together in a bowl; stir to coat. Let sit for 30 minutes to blend flavors.