In a large bowl, combine the tomatoes, cucumber, green bell pepper, and onion.
Prepare Dressing:
In a small bowl, whisk together the extra-virgin olive oil, red wine vinegar, sugar, a pinch of salt, and a few grinds of black pepper until well combined.
Toss and Chill:
Pour the prepared dressing over the salad ingredients.
Gently toss the salad until the dressing evenly coats the vegetables.
Refrigerate the salad for at least 30 minutes before serving to allow the flavors to meld.
Serve:
Enjoy this refreshing Ensalada de Piparrada cold as a perfect side dish for an outdoor barbecue or on a hot summer day!
Notes / Tips / Wine Advice:
This simple Basque-origin salad brings together the fresh, vibrant flavors of tomatoes, cucumbers, peppers, and onions with a delightful vinaigrette dressing for a refreshing culinary experience.