Cook the chickpeas well past the point they seem done — the difference between fine and very good here is about fifteen extra minutes. A pinch of bicarbonate in the soaking water softens the skins, which is the part that makes them hard work.
It did not make it into the plan for these seven days.
The method above is what decides the dish, not a step-by-step recipe. The link runs a web search on the name: this page has no vetted sources of its own, and will not invent any.