Italian brand Bertolli is capitalizing on this idea and has created a frozen toasted ravioli ... Unlike deep frying, which submerges the food in oil, air fryers make food crispy without using ...

That's the situation which Unilever has won for itself via a social-media-centric campaign for its upmarket Italian range of Bertolli frozen meals, at the expense of arch-rival Nestlé's Buitoni brand.