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Home » Vegetables » Mushrooms » Agaricus Mushrooms » White Mushrooms

White Mushrooms

The white mushrooms that most of us buy at supermarkets are all really the same kind, Agaricus mushrooms. They might look like different mushrooms, but that’s just because they are sold at various stages of growth.

While growing, Agaricus mushrooms will double their size every 24 hours. The longer they are allowed to grow before harvesting, the more flavour they will have.

White Mushrooms are sold as white mushrooms in the following stages, listed in order of youth:

  1. Button Mushrooms
  2. Closed Cups
  3. Open Cup Mushrooms
  4. Large Open Cup Mushrooms

If allowed to grow beyond these stages, the white mushroom moves into the Cremini / Portobello stages – and price ranges.

Cooking Tips

A teaspoonful of lemon juice added drying frying can help mushrooms stay white and firm.

Equivalents

½ pound (225 g) fresh sliced mushrooms = 2 cups fresh sliced = 1 cup cooked

750 g (1.65 pounds) fresh large white or chestnut mushrooms, quartered = 8 cups volume
4 oz sliced mushrooms, canned = ⅔ cup drained
1 pound (450 g) fresh mushrooms = 12 oz tinned, undrained = 6 oz (170 g) drained = 20 to 30 medium mushrooms = 3 oz (85 g) dried = 6 cups fresh slices = 2 cups sliced and cooked

Storage Hints

See main entry for mushrooms.

Related entries

  • Button Mushrooms
  • Closed Cup Mushrooms
  • Large Open Cup Mushrooms
  • Open Cup Mushrooms

Other names

Scientific Name: Agaricus bisporus var hortensis

This page first published: Jul 7, 2004 · Updated: Jun 17, 2020.

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Tagged With: White Mushrooms

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