When I went on holiday a long time back ( few years ago), we stayed (family members with me) in this house on a hilltop, the wardrobes in the bedrooms had fitted wardrobes behind them all chained with thick chains and locks and the water heater had to be lit up with a match! It was no fun having...
Just one time, you should just use the amount of oil you require and throw it out after you have finished cooking. Remember there will be particles of food in the oil too.