Avocados are a unique fruit, unlike most others, they don't ripen on the tree. Instead, they start ripening off the tree once they reach maturity. But once the ripening process begins, it moves fast. For commercial growers and sellers, the goal is to delay ripening for as long as possible to ensure avocados stay fresh during shipping. They use various methods like controlling temperature and reducing oxygen to achieve this.
However, for home cooks, the challenge is often to speed up the ripening process so avocados are ready to eat when needed. Finding perfectly ripe avocados can be tricky as they have a short window of perfection before they become overripe or develop brown spots. This can be especially stressful when planning avocado-centric meals or events.
Luckily, there are ways to control the ripening process at home to ensure avocados ripen at the right pace. Some methods recommended by other sources may not be ideal, so it's essential to choose the right approach for your needs. Let's explore some effective ways to ripen and store avocados.
Selecting the Best Avocado at the Store
We've all come across those avocados that look flawless from the outside, but as soon as you slice into them, you're met with deep brown streaks. What causes this?
Unfortunately, it's not something you can foresee or avoid. It's a result of uneven enzyme activity inside the avocado as it matures, and it's made worse by extreme weather conditions and other seasonal, environmental, and agricultural factors.
For Hass avocados, this issue tends to arise more frequently starting in December and peaking around February. (Oh, the dreaded Super Bowl season!) Another common problem with some avocados is the presence of woody strings running through the flesh. These strings are part of the plant's vascular system, responsible for carrying nutrients to the fruit. They're always there, but they become noticeably woody and stringy as the avocado ripens further into the season.
Unfortunately, like the brown streaks, there's no way to tell which avocados will have these strings until you cut into them. The chances of encountering them increase later in the growing season, particularly with fruit harvested in late summer and early fall, although this can vary depending on the avocado variety and where it's grown.
How to Determine If an Avocado Is Ripe
Certainly! When determining the ripeness of an avocado, it's tempting to rely on the color of its skin. However, this method can be unreliable due to variations in skin color among different avocado varieties. Instead, a more dependable approach is to assess the avocado's firmness by gently pressing near the stem end. A ripe avocado will yield slightly to pressure, indicating that it's ready to be enjoyed. If the avocado feels too firm, it needs more time to ripen, while a mushy texture suggests that it may be overripe.
Ripening Avocados Rapidly
In comparative trials, avocados purchased from the store, even when completely firm, typically take three to five days to ripen inside a brown paper bag. Introducing a banana into the mix, which emits ethylene gas, can shorten this timeframe to two to three days. While it's not an instant process, it provides more flexibility in ensuring ripe avocados when needed. For example, you could purchase multiple avocados and store some openly in the kitchen, some in a paper bag, and a few more in a separate paper bag with a banana. This approach would stagger their ripening stages, with the banana-accelerated avocados ready in a couple of days, followed by the paper bag ones a day or two later, and finally the open-air ones ripening shortly afterward, assuming they all started at a similar level of unripeness.