Preheat the oven to 375 degrees. Drain and rinse the chickpeas, then lay out on a paper towel and pat dry.
If desired, gently remove the skins from the chickpeas
Toss the chickpeas with the olive oil and place on a half sheet pan.
Bake for 40 minutes, or until chickpeas are browned and crispy. Remove the chickpeas from the oven and season with umami seasoning. Toss to coat. Store in a paper bag up to 1 week on the counter.