Chilled avocado soup with crab

Name: Chilled avocado soup with crab
Cook time: 20 min
Total time: 20 min
Cuisine: American, Latin American
Ingredients: 3 fresh jalapeños or long green chillies; 3 green onions (scallions), white and green parts; 2 clove garlic; 125 gram yellow grape tomatoes; 2 tablespoon extra virgin olive oil; 1/4 cup fresh coriander (cilantro), torn; 120 gram cooked fresh crab meat; 1/3 cup (80ml) lime juice; 1 cup (250ml) water; 2 medium_piece (500g) avocados, chopped; 3/4 cup (210g) greek-style yoghurt