Guacamole 4

• 3 ripe avocados
• 2 tomatoes
• 1 cilantro (fresh)
• 1 lim
• 1 jalepenos
• 1/2 lemon juice
• 1/2 onion fine (chopped)
• 60 ml unsweetened yogurt (plain)
• 3 gr black pepper
• 1 gr salt