Preserve herbs in ice cube trays with olive oil. Freeze in trays and then bag in ziploc bag. Use when cooking by popping herb cube in pan. Herbs that freeze well are: rosemary, sage, thyme and oregano. Oil is infused with herbs.
How to Preserve Onions (this tip is so easy and will save so much time in the kitchen! use these in soups, chilli and so on! // This is chopping them in a food processor, freezing them in muffin trays, then transferring to a ziploc baggie