This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. You can store raw or cooked butternut squash and cut it into halves and small squares or puree it before freezing. Edie says. How to cut up butternut squash Step 1: Precook in microwave. You can cut larger squash in half before peeling them. For a long term option, cooked squash freezes great for 6-8 months (but raw squash does not freeze well). How long does butternut squash last (raw, uncut, left out at room temperature)? This makes blemishes a little more difficult to spot without searching, though. I blanch if I am going to store them for a long time or use it in cooking. The first way to cut your Butternut Squash is to just cut it in half. Here you have a couple of options, you can cut it half or into cubes. You might think it would be a challenge to cut a round squash into chunks, but it's not, once you know the tricks. Squash will develop soft spots or dark marks when it starts going bad. Once you have harvested your squash, rinse off the dirt and lay them in a single layer. To prevent the squash from sticking to the tray, you can place a piece of parchment paper on the tray before adding the squash. The ideal storage environment is between 80 and 85 °F (27 and 29 °C) with a relative humidity between 80% and 85%. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/a\/a4\/Store-Butternut-Squash-Step-5.jpg\/v4-460px-Store-Butternut-Squash-Step-5.jpg","bigUrl":"\/images\/thumb\/a\/a4\/Store-Butternut-Squash-Step-5.jpg\/aid10386087-v4-728px-Store-Butternut-Squash-Step-5.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"