A practical guide to ripening avocados faster, checking doneness, slowing ripe avocados down, and avoiding viral tricks that cook or damage the fruit.
Marcus Doyle
To ripen avocados faster, put them in a paper bag with a banana or apple and leave the bag at room temperature. Check them once or twice a day. The fruit releases ethylene gas, and the bag traps enough of it to speed ripening.
This method can help firm avocados ripen in about 1 to 3 days, depending on how hard they were when you bought them. It will not turn a rock-hard avocado into perfect guacamole in an hour.
Do not use the oven or microwave to ripen an avocado. Heat can soften the flesh, but it does not create the same flavor or texture as natural ripening. You usually end up with warm, grassy, uneven avocado.
A ripe avocado yields slightly when you press near the stem end with gentle pressure. It should feel like a ripe peach: soft enough to give, but not mushy or hollow.
Color helps with some varieties, especially Hass avocados, which darken as they ripen. But color alone is not reliable. Some avocados stay green even when ripe, and some dark avocados are bruised rather than ready.
Check under the small stem cap if it comes off easily. Green underneath usually means the avocado is good. Brown underneath can mean it is overripe, though the pressure test still matters more.
Place the avocados in a plain paper bag with a banana or apple, fold the top loosely, and leave it on the counter. Do not seal it in plastic; the fruit needs some airflow.
Bananas and apples release ethylene, a natural plant hormone involved in ripening. The paper bag keeps that gas close to the avocados without trapping too much moisture.
Check daily. Once an avocado is ripe, move it to the fridge if you are not using it right away. Leaving it in the bag too long can push it from ripe to overripe quickly.
Do not microwave an avocado to ripen it. The microwave can soften parts of the flesh, but the flavor stays underripe and the texture can become rubbery or watery.
Do not bake an avocado in foil unless you are intentionally cooking it for a recipe. Heat does not ripen fruit in the normal sense; it only breaks down texture.
Do not put unripe avocados in the refrigerator if you want them soon. Cold slows ripening. Use the fridge after they are ripe, not before.
Once avocados are ripe, move them to the refrigerator. Cold storage can buy you a few extra days, which is useful if several ripen at once.
If you cut one open and only use half, leave the pit in the unused half, brush the surface with lime or lemon juice, press plastic wrap or a tight lid against the cut surface, and refrigerate it.
Some browning is normal after cutting. Scrape off a thin top layer if needed. If the avocado smells sour, has stringy dark flesh throughout, or tastes off, throw it away.
If you need avocados today, buy ones that already yield gently to pressure. If you need them later in the week, buy a mix: one or two nearly ripe and a few firmer ones.
Avoid avocados with large soft dents, loose skin, or sunken spots. Those are more likely to be bruised or overripe inside.
For parties or guacamole, buy extra. Avocados are unpredictable, and one bad fruit can shrink the amount you can serve.
If the avocado is soft outside but hard near the pit, it may have ripened unevenly or been chilled too early. Let it sit at room temperature a little longer if it still smells fresh.
If it has brown strings, isolated bruises, or a few dark patches, you can cut around them. If the whole fruit is gray-brown, sour-smelling, or slimy, it is past its prime.
If every avocado ripens at once, mash extras with lime juice and salt, then freeze in a flat bag. The texture is best for guacamole, spreads, dressings, or smoothies after thawing.
Sometimes, if it is already close to ripe. Put it in a paper bag with a banana or apple and check it the next day. Very hard avocados usually need longer.
Rice may trap some ethylene, but a paper bag with a banana or apple is cleaner, easier to check, and less likely to hide moisture or mess.
Refrigerate avocados after they are ripe to slow them down. Keep firm avocados on the counter if you want them to ripen.
Yes, but it will be firmer, less creamy, and more grassy. It works better sliced thin in cooked dishes than mashed for guacamole.
Ripe whole avocados usually last 2 to 4 days in the refrigerator. Cut avocado is best within a day or two.
