Tinned Fish Tostadas with Avocado & Chilli

Ingredients: 

• 1 tin mackerel or sardines in olive oil 
• 1 ripe avocado 
• 1 small red chilli, finely sliced 
• Juice and zest of 1 lime 
• 4 small corn tortillas
• Olive oil
• Salt
• Fresh coriander (optional) 

Method: 

1. Mash the avocado with lime juice and a pinch of salt. 
2. Fry tortillas in olive oil until crisp, 1–2 minutes per side. 
3. Top each tortilla with mashed avocado, chunks of mackerel or sardines, sliced chilli, and lime zest.
4. Sprinkle with fresh coriander if using and serve immediately.