A Columbian treat that sits on the fence as both a savoury and sweet snack, oborrajados are a serious snack for those with a bent for the best of deep-fried food. The combination of plantain, cheese and jam is one of South America’s best.A Columbian treat that sits on the fence as both a savoury and sweet snack, oborrajados are a serious snack for those with a bent for the best of deep-fried food. The combination of plantain, cheese and jam is one of South America’s best.