If using canned chickpeas, rinse them wet. If using dried, soak them overnight, boil until cooked, and drain.
Add the chickpeas and vinegar to a small pot. Bring to a boil. Simmer for five to eight minutes. Remove from heat and let sit for twenty minutes.
Pre heat the oven to 350 degrees.
In a large bowl, pour oil over chickpeas and toss until all are covered. Sprinkle 1.5 tablespoons sea salt over the chickpeas and mix until combined.
Line a baking tray with parchment paper and spread the chickpeas so they're flat. Sprinkle the last half tablespoon of salt over the chickpeas.
Bake in the oven for fifteen minutes. Remove from the oven, flip/stir the chickpeas. Making sure that the chickpeas on the outside come in towards the middle.
Bake for another twelve minutes and stir again.
Bake for 3-6 more minutes watching closely. You want the chickpeas to be slightly crunchy but not over done so they're hard.
Remove from the oven and let cool on the pan for twenty minutes.