Tip: click step to get into cook mode
In a large bowl, mash the chickpeas until mostly/partially mashed. Add the remaining ingredients to the chickpeas and mix. Taste test and add any more ingredients to your preference.
You can also make this by adding the chickpeas to a food processor along with the rest of the ingredients and pulsing for a few seconds until a 'tuna-like' texture forms.
Serve on bread of your choosing. If preparing in advance, this Chickpea Tuna will keep in an airtight container the fridge for 3-4 days.