This makes a great snack in front of the telly or a good side dish with a steak and salad.
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Scrub the sweet potatoes, leaving the skin on.
Cut into chunky style chips approximately 7.5cm long and 1.25cm thick. Place into boiling salted water and simmer for 7-8 minutes until just cooked (al dente).
Drain and refresh in iced water. Drain again and place the chips in a large mixing bowl and toss with the olive oil.
Scatter over the Cajun seasoning spice blend and season generously with sea salt.
Pre heat the grill to a high heat and grill for 5 minutes on either side or until nicely charred.
When the chips are made garnish with rough chopped coriander and serve with sour cream and chives.
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