Best Creamy Guacamole

Bahan-bahan (4 porsi)

• 1/4 cup red onion (finely chopped )
• 1 -2 Serrano chiles (or 1/2 jalapeño chile, stems and seeds removed, finely chopped)
• 1 teaspoon salt
• 2 tablespoons cilantro (fresh chopped )
• 3 ripe avocados (peeled, seed removed)
• 2 tablespoons lime juice (fresh squeezed or lemon juice)
• 1 tablespoon lemon juice (optional - adds extra flavour)
• 1/4 teaspoon cracked pepper
• 1 tomato (seeded and pulp removed, finely chopped - optional)