It took an out-of-this-world arrival to get that perfect chemical combination for water to fill our planet. Water may have come to earth by way of comets and asteroids. Morning dew and roaring falls inspire poets. Hurricanes and typhoons wreak devastation.
It's also necessary to store and handle the cut onions properly to further reduce the risk of bacterial contamination. Cutting Onions Ahead of Time Cutting onions the day before you need them is safe when you take the proper precautions.
Preheat your grill to medium, and grill the onion slices until the outer rings are beautifully charred and the inner rings are translucent, about 15 to 25 minutes, depending on the heat of your grill. For smaller onions, trim the root end and leave about 2 inches of the green stalks.