Cucumber Tomato Avocado Salad

Bahan-bahan (4 porsi)

• 1 lb Roma tomatoes
• 1 English cucumber
• 1/2 medium red onion (sliced)
• 2 avocados (diced)
• 2 Tbsp extra virgin olive oil or sunflower oil
• 2 Tbsp fresh lemon juice ((from 1 medium lemon))
• 1/4 cup 1/2 bunch cilantro, chopped
• 1 tsp sea salt or 3/4 tsp table salt
• 1/8 tsp black pepper