Butternut squash

Ripe butternut squash, a cultivar of Cucurbita moschata
Butternut squash seed cross section
Butternut pumpkin (Australian term)

Butternut squash (Cucurbita moschata), sometimes known in Australia and New Zealand as butternut pumpkin or gramma,[1] and in Canada as butterscotch squash, is a type of winter squash that grows on a vine. It has a sweet, nutty taste similar to that of a pumpkin. It has tan-yellow skin and orange fleshy pulp with a compartment of seeds in the bottom. When ripe, it turns increasingly deep orange, and becomes sweeter and richer. It is a good source of fiber, vitamin C, manganese, magnesium, and potassium; and it is an excellent source of vitamin A and vitamin E.

Although technically a fruit, butternut squash is used as a vegetable that can be roasted, toasted, puréed for soups, or mashed and used in casseroles, breads, and muffins.


The most popular variety, the Waltham Butternut, originated in Waltham, Massachusetts, where it was developed at the Waltham Experiment Station by Robert E. Young.[2][3][4] Dorothy Leggett claims that the Waltham Butternut squash was developed during the 1940s by her late husband, Charles Leggett, in Stow, Massachusetts, and then subsequently introduced by him to the researchers at the Waltham Field Station.[5]

Culinary uses

One of the most common ways to prepare butternut squash is roasting. To do this, the squash is cut in half lengthwise (see pictures), lightly brushed with cooking oil or put in a thin layer of water and placed cut side down on a baking sheet. It is then baked for 45 minutes or until soft. Once roasted, it can be eaten in a variety of ways.[6]

Butternut squash, raw
Nutritional value per 100 g (3.5 oz)
Energy 188 kJ (45 kcal)
11.69 g
Dietary fiber 2 g
0.1 g
1 g
Vitamin A equiv.

532 μg

4226 μg
Thiamine (B1)

0.1 mg

Riboflavin (B2)

0.02 mg

Niacin (B3)

1.2 mg

Pantothenic acid (B5)

0.4 mg

Vitamin B6

0.154 mg

Folate (B9)

27 μg

Vitamin C

21 mg

Vitamin E

1.44 mg


48 mg


0.7 mg


34 mg


0.202 mg


33 mg


352 mg


0.15 mg

Percentages are roughly approximated using US recommendations for adults.
Source: USDA Nutrient Database

The fruit is prepared by removing the skin, stalk, and seeds, which are not usually eaten or cooked.[7] However, the seeds are edible, either raw or roasted, and the skin is also edible and softens when roasted.


In Australia, it is regarded as a pumpkin, and is used interchangeably with other types of pumpkin.

South Africa

In South Africa, butternut squash is commonly used and often prepared as a soup or grilled whole. Grilled butternut is typically seasoned with spices such as nutmeg and cinnamon or stuffed (e.g. spinach and feta) before being wrapped in foil and grilled. Grilled butternut is often served as a side dish to braais (barbecues) and the soup as a starter dish.

See also


  1. "Commercial production of pumpkins and grammas". Department of Agriculture and Fisheries. Retrieved 29 June 2016.
  2. Massachusetts Department of Agriculture Farm & Market Report, Vol. 78, No. 10, October 2001
  3. "Obituaries: Robert E. Young". The Campus Chronicle. 21 September 2001. Retrieved 16 November 2014.
  4. Arena, Al (2009-10-28). "Interview/Discussion Report for Waltham Farming History Project" (Interview). Interview with Nicole Chan. Waltham.
  5. "A Familiar Squash with Surprising Origins". Apple Country Living. Retrieved 15 September 2013.
  6. "Butternut Squash". Traditional-Foods.com. 2011. Retrieved 15 September 2013.
  7. "Butternut Squash". Veg Box Recipes. 2008. Retrieved 15 September 2013.
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