sentence: slice an onion into half inch thick slices and separate them into rings sentence: fill a bowl with all purpose flour and coat the onion rings with the flour sentence: transfer the onion rings to a wire rack over parchment paper sentence: add corn starch garlic powder and dried parsley to the remaining flour and whisk to combine sentence: crack an egg into a bowl and break it sentence: add the egg and milk into the dry mixture and whisk sentence: pour dry bread crumbs into a shallow dish sentence: coat some onion rings in batter and transfer them to a wire rack sentence: move the onion rings to the bread crumbs and coat evenly sentence: add the onion rings to a pot of heated vegetable oil sentence: transfer the onion rings to a wire rack and season with salt and pepper sentence: grate parmesan cheese over the onion rings