Add olive oil into a small saucepan
Heat over a medium heat until hot

Add finely diced onion into the saucepan
Cook over a medium heat for 5 minutes, stirring occasionally, until softened

Add garlic powder, onion powder, cumin, chilli powder, smoked paprika and salt into the saucepan
Cook over a medium heat for 1 minute stirring constantly

Add tomato purée into the saucepan
Cook over a medium heat for 2 minutes, stirring occasionally

Add cashew nuts and water into the saucepan
Bring to the boil and reduced the heat

Simmer for 10 minutes, stirring occasionally
Remove from the heat and let cool for 5 minutes

Fit the Knife Blade to the Food Processor attachment
Add the cooled cashew mixture into the attachment 
Blend until smooth – 2 minutes, speed 1
Remove the attachment from the machine
Transfer the mixture into a serving bowl
Top with green chilli and diced tomato

Serve
Serve with tortilla chips