Ingredients
1 1/2 cups cornflakes
1/2 cup plain dried breadcrumbs
1 large egg
1/2 cup low-fat buttermilk
1/4 cup all-purpose flour
1/8 teaspoon cayenne pepper
kosher salt and ground pepper
1 medium sweet onion, such as Vidalia
2 tablespoons olive oil
Preparation
Preheat oven to 450 F. Cut the onion into thick rings.
In the bowl of a food processor, pulse the cornflakes and breadcrumbs until fine crumbs form, then transfer the mixture to a medium bowl. Whisk the egg, buttermilk, flour and cayenne in a medium bowl and season with salt and pepper. Dip the rings in the egg mixture (let any excess drip off) and then dredge in the cornflake mixture. Transfer to a large plate or a sheet of parchment paper.
Pour the olive oil onto a rimmed baking sheet. Pop the pan in the preheated oven and heat for 2 minutes. Remove the sheet from oven and tilt to coat it evenly with the oil. Arrange the onion rings on the pan in a single layer. Bake, flipping the rings halfway through, until onion rings are golden brown, about 16 minutes. Season with salt.
