Air fryers have been a craze for the past few years now, and if you’re looking to cut your cooking time, and save on energy bills at the same time, now’s the perfect time to invest in the smart cooking appliance as Ninja’s Dual Zone bestseller currently has 20% off at Amazon.

Ninja’s Foodi FlexDrawer Air Fryer is now down to £175.20 from £218.98, and it features seven cooking functions and two independent cooking zones, meaning you can cook your main and sides in one place. 

The air…