Making Cucumber Tomato Avocado Salad is very straightforward. Follow these simple steps to create your delicious salad:

1. Prepare the Vegetables: Wash all the vegetables thoroughly. Dice the cucumber, chop the tomatoes, and slice the avocado.
2. Add Onion: If using, finely chop the red onion and add it to the bowl with the other vegetables.
3. Mix the Dressing: In a small bowl, combine olive oil, lemon juice, salt, and pepper. Whisk until well blended.
4. Combine: In a large mixing bowl, add the diced cucumber, chopped tomatoes, and avocado. Pour the dressing on top.
5. Toss Gently: Use a spatula to gently toss all the ingredients together, ensuring the avocado doesn’t get mashed.
6. Taste and Adjust: Check the flavor and adjust salt and pepper as needed.
7. Serve Immediately: Transfer the salad to a serving dish and garnish with fresh cilantro or parsley if desired.

These uncomplicated steps will have you enjoying a fantastic Cucumber Tomato Avocado Salad in just a matter of minutes!