Japanese Knotweed Syrup

Japanese knotweed syrup is sweet, a little tart, and above all, pink! Add this syrup to cocktails, mocktails, and desserts to bring the Spring into your kitchen.

What does Japanese knotweed taste like?

To put it simply: they taste like a more vegetal version of rhubarb! The flavor is sour and green, and the texture is crunchy and succulent. Use it where you’d use rhubarb, or anywhere you want a bright, punchy, and tart flavor.

How do I Prepare Japanese Knotweed?

Like any foraged green, proper preparation is key. Ants love Japanese Knotweed, so first be sure to thoroughly rinse the stalks. Then, remove leaves and tips from the knotweed – the best part is the stalks.

Is Japanese Knotweed Invasive?

Japanese knotweed is an introduced species in North America, and is largely considered harmful. The plant easily regenerates and grows from even the smallest pieces of stalk or root, and it’s virtually impossible to fully eradicate it from an environment once it has taken hold.

For these reasons, we always encourage foragers to harvest as much Japanese Knotweed as possible during its short harvest season in the Spring. And for those same reasons, we ask you to heed this rule when cooking with fresh japanese knotweed:

Always cook every piece of knotweed you discard!

Cooking the knotweed effectively kills the organism to prevent regrowth. If you discard raw knotweed in the trash or compost, you risk spreading this plant. As you cook, keep a bowl of scraps and discarded pieces, then boil them for 5 minutes before disposing or composting.

boil water and sugar to make a syrup
add finely chopped japanese knotweed
steep for 24-36 hours
strain out the knotweed pieces
Print
5 from 1 vote

Japanese Knotweed Syrup

Japanese knotweed syrup is sweet, a little tart, and above all, pink! Add this syrup to cocktails, mocktails, and desserts to bring the Spring into your kitchen.
Prep Time2 mins
Active Time5 mins
Steeping Time1 d
Total Time1 d 7 mins
Course: Condiment, Drinks
Cuisine: American, Syrup, Wild
Keyword: japanese knotweed, syrup

Materials

  • 1.25 cups water
  • 1 cup sugar
  • 1 cup finely chopped Japanese knotweed

Instructions

  • 1. Bring the water and sugar to a low boil, stirring to make sure the sugar is completely dissolved. Add the japanese knotweed and continute to boil for 1 minute.
  • 2. Remove from the heat and cool to room temperature. Transfer to a jar and refrigerate for 24-36 hours, until the syrup has taken on a pink hue.
  • 3. Strain the knotweed pieces and reserve for another use. Store the styrup in the refrigetor.

1 thought on “Japanese Knotweed Syrup”

  1. 5 stars
    JB here! a few ideas fo how to use this syrup: in cocktails like cosmos or margaritas, as a sweetener in a black tea, drizzle over berries and ice cream, in place of sugar in a jam, used in a bbq glaze, … the possibilities are endless!

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