Reduce your intake of air-freighted food, for example soft fruits and vegetables such as avocados and asparagus.
Generally, if a fruit is more solid, it will be shipped so has a lower carbon footprint, such as bananas and melons. (How Bad Are Bananas by Mike Berners-Lee)
Support small independent shops and farmers’ markets. Supermarket stock is usually sent from farm to vape Katoen a central depot before local stores, so often has a higher carbon footprint.
Look for local veg box deliveries, which almost always tick all the boxes.