Air fryers come in all shapes and sizes. There are toaster oven-style air fryers, Instant Pot air fryers and many full-size ovens that even feature an air fryer function. I've tried almost all of them, and one stands out as the best for an average home cook. Following loads of air fryer testing -- more than two dozen models at last count -- the glass-bowl Ninja Crispihas emerged as CNET's top pick overall. After using Ninja's innovative Crispi glass air fryer for more than a year, with its nontoxic chambers that double as serving bowls and storage containers, I'm still all in. The glass cooking chamber and modular build represent the most significant advancement in air fryer design since these appliances appeared more than ten years ago. Food that's cooked in the Crispi is ready to be packed away or brought to the table as soon as it's done. The Crispi has a nontoxic glass cooking chamber that's easy to clean, and its cooking power is as good or better than any we've tested.…