Cucumber and Tomato Salad

Bahan-bahan (6 porsi)

• 4 -6 medium (2 lbs tomatoes)
• 4 -5 small (1 lb cucumbers, or 1 english cucumber))
• 1 small onion (thinly sliced (~1/4 lb))
• 2 Tbsp Sunflower or Extra virgin olive oil
• 1 Tbsp distilled white vinegar
• 1 tsp fine sea salt (or 3/4 tsp table salt)
• 1/4 tsp Pepper to taste
• 2 Tbsp Green onion for garnish (optional)