Liquid pumpkin puree
Avoid pumpkins with blemishes and soft spots. It should be heavy, shape is unimportant. A lopsided pumpkin is not necessarily a bad pumpkin.
Figure one pound of raw, untrimmed pumpkin for each cup finished pumpkin puree. Spread newspaper over your work surface.
Start by removing the stem with a sharp knife. If you are planning to roast the pumpkin seeds, smash the pumpkin against a hard surface to break it open. If not, cut in half with a sharp knife. In any case, remove the stem and scoop out the seeds and scrape away all of the stringy mass. A messy job, but it will pay off. Cut the pumpkin into rather large chunks. Rinse in cold water. Place pieces in a large pot with about a cup of water.
The water does not need to cover the pumpkin pieces. Cover the pot and boil for 20 to 30 minutes or until tender, or steam for 10 to 12 minutes. Check for doneness by poking with a fork.
Drain the cooked pumpkin in a colander. Reserve the liquid to use as a base for soup. Follow the steps outlined below in Preparing the Puree. Cut pumpkin in half, scraping away stringy mass and seeds. Here are a few things to help you make your decision and help your pumpkin recipes turn out their best!..
Both contain pure pumpkin puree, but there are also a few differences. This is because there is more moisture in most boxed varieties. The canned varieties tend to clump up a bit more due to their dryness.
However the boxed variety will make for a more watery filling and thus it may take a longer time for your pie to bake and set but this also depends on your recipe. You just want to be aware that most pumpkin pie recipes will probably assume that you are using canned pumpkin. So if you do use the boxed variety and your filling seems a bit on the wet side, you will know why. Many studies, including a review by the New York Times , have discussed the amount of BPA that can lurk in canned goods, including canned pumpkin.
This is one reason why you may want to seek out BPA-free cans of just go with the boxed purees. Or if all else fails and you have time make your own pumpkin puree at home from a whole pumpkin!