The Oster 4-quart air fryer has an impressive 4.9 stars on Amazon and can handle large batches or single-serving meals. It has a clear window to see your food as it cooks without opening the drawer.

I used to be an air-fryer skeptic, believing them to be unnecessary, flashy appliances that were meant to make healthier versions of french fries, mozzarella sticks, and wings — and not useful ...