Slice the Roma tomatoes in half lengthwise and remove the seeds. Chop the tomatoes into small pieces and place them in a large bowl.
Chop the cucumbers, bell peppers, onion, and parsley. Add them to the bowl with the tomatoes.
Drizzle the lemon juice and olive oil over the vegetables. Sprinkle with salt.
Mix gently until everything is evenly coated. Taste and adjust seasoning as needed. Serve immediately or chill briefly before serving.
Video
Notes
Substitutions: Any bell pepper color works. Sweet onions can be replaced with red onion for a sharper flavor.
Storage: Store leftovers in an airtight container in the refrigerator for up to 2 days.
Reheat: Do not reheat. Serve cold or at room temperature.