1.If you are using cast iron pan to grill, place empty pan in the grill while it is preheating. Then remove the pan with baking glove, spray oil and place the rings carefully on it.
2.If you are counting on calories, you shall bake these rings without adding any oil. In such case, use baking tray lined with aluminium foil to avoid sticking.
3.When introducing first to kids, try shallow-fried version and then slowly move to baked version.