They're perfect for storing herbs for cooking. To freeze herbs, sprinkle small bits into the tray. Then pour in some olive oil to reduce browning and freezer burn. Once they're frozen, take those ...
They can also be kept in the freezer. Make them with porridge oats and chopped nuts if you don’t have a food processor. If you need these bars to be gluten-free, ensure you use gluten-free oats.
Adjust brine amount to taste. Cap bottle, shake and store in freezer until well-chilled, at least 4 hours. To serve, set the bottle in an ice bucket and offer cocktail glasses and green olives.