Chunky Guacamole

Ingredients

• 1 large ripe tomato
• 3 avocados, very ripe but not bruised
• juice 1 large lime
• handful coriander, leaves and stalks chopped, plus a few leaves, roughly chopped, to serve
• 1 small red onion, finely chopped
• 1 chili, red or green, deseeded and finely chopped
• tortilla chips, to serve