Thinly slice ½ red onion then pinch it with your fingers to separate the layers. Soak it in cold water for ten minutes to soften its flavor.
To a mixing bowl, add 1 pound tomatoes (diced), 1 medium cucumber, and 2 ripe avocados, the sliced onion, and 3 tablespoons parsley (chopped).
Season with2 tablespoons extra virgin olive oil, 2 tablespoons lemon juice, 1 teaspoon salt, and¼ teaspoon black pepperthen toss gently until the salad is coated in the condiments and slightly creamy from the avocado. Taste and adjust for salt before serving.