Can you freeze avocado?

Avocado is around three-quarters water held in a soft cell structure, and ice crystals wreck that structure. Slices thaw into a grey, weeping mess that is safe but not something you would put on toast. Mashed avocado holds up much better because the structure has already been broken down on purpose. Lime or lemon juice slows the enzymatic browning that turns the flesh grey, and squeezing the air out of the bag does the rest.

How to do it properly

1. Mash the flesh with a tablespoon of lime or lemon juice per avocado
2. Press into a freezer bag in a thin flat layer and squeeze the air out
3. Freeze flat, which also makes it quicker to thaw
4. Thaw in the fridge and use in guacamole, dressings or smoothies

What goes wrong

• Halves and slices thaw grey and watery
• Without acid, the surface browns badly
• Texture never recovers enough for salads or toast

Other options

• Buy avocados at different ripeness stages instead of freezing
• Keep a ripe avocado in the fridge, which buys two or three days

Other "can you freeze" questions

• Can you freeze cheese? It depends — Yes, and it stays safe indefinitely — but hard cheese comes out crumbly and soft cheese comes out wet.
• Can you freeze milk? Yes — Yes — leave headspace for expansion and shake it hard after thawing.
• Can you freeze eggs? It depends — Not in the shell. Beat them first, or freeze whites on their own.
• Can you freeze bread? Yes — Yes — freezing is the best way to store bread, far better than the fridge.
• Can you freeze bananas? Yes — Yes — peel and slice them first, because the peel turns black and welds itself on.
• Can you freeze cooked rice? Yes — Yes, and freezing quickly is the safest way to keep leftover rice.
• Can you freeze raw chicken twice? It depends — Only if it thawed in the fridge and never got above 4 °C (40 °F).
• Can you freeze breast milk? Yes — Yes — freeze it flat in bags, and use within six months for best quality.
• Can you freeze soup? It depends — Yes for most soups; cream, milk and potato-based ones separate or go grainy.
• Can you freeze butter? Yes — Yes — butter freezes better than almost anything else in the fridge.
• Can you freeze cooked pasta? Yes — Yes — undercook it slightly and toss it in oil first, or it thaws into a solid block.
• Can you freeze mashed potatoes? Yes — Yes — mash with plenty of butter or cream, which protects the texture through freezing.