Greek Desserts
Karydaki Glyko Recipe (Greek Unripe Walnut Spoon Sweet)
Καρυδάκι γλυκό kah-ree-THAH-kee GLEE-koh · Karydaki glyko
In short
Karydaki glyko is a Greek spoon sweet made from whole young, unripe walnuts, picked while the shell is still soft enough to pierce with a needle, boiled repeatedly and preserved in a dark, clove-scented syrup. It is one of the most labour-intensive and prized of the whole glyka tou koutaliou family, possible only during a narrow window in early summer.
Karydaki glyko can only be made during a genuinely narrow window in late spring or early summer, when walnuts are still young and green enough that a needle passes straight through the whole nut, shell and all, without resistance. Miss that window and the shell hardens, and the whole preserve becomes impossible to make that year.
It belongs to glyka tou koutaliou, the wide Greek tradition of whole or piece fruit preserved in thick syrup and offered to guests as a gesture of hospitality, and among that whole family, karydaki is widely considered one of the most prized and labour-intensive, given how many rounds of boiling and how many days of patience it genuinely demands.
The walnuts turn a deep, near-black colour as they cook, and the finished preserve carries a genuinely distinctive, almost bittersweet, clove-and-cinnamon-scented flavour unlike any other spoon sweet.
Key preparation steps
- Pick or source young walnuts that a needle passes through easily.
- Peel and soak in several changes of water over many days.
- Boil repeatedly in fresh water to remove bitterness and stabilise colour.
- Simmer in a spiced syrup until dark and preserved.
Timing is everything
The walnuts must be picked while genuinely young, when a fine needle or skewer passes straight through the whole unripe nut without resistance, usually a window of only a couple of weeks in late spring or early summer depending on climate. There is no substitute for this timing, and this is not a dish that can be made from ordinary shelled walnuts at any other time of year.
Peeling, soaking and repeated boiling
Peel the thin outer green skin from each walnut, wearing gloves since it stains hands dark for days, then soak the peeled nuts in several changes of water over about a week, which draws out much of their considerable natural bitterness. Boil them repeatedly in fresh water, discarding the water each time, over several more days, which continues to reduce bitterness and begins to darken and stabilise their colour.
The final syrup
Once the walnuts have softened and lost most of their raw bitterness, simmer them in a sugar syrup with whole cloves and a cinnamon stick until the syrup has thickened properly and the nuts have turned a deep, near-black colour throughout. Store in sterilised jars, fully submerged in syrup, where they keep for many months.
Tips from my kitchen
Get the timing right
This preserve is only possible during a narrow window when a needle passes easily through the whole young walnut. There is no substitute once that window closes.
Wear gloves when peeling
The green outer skin stains hands a dark brown that takes days to fade.
Do not rush the repeated boiling stage
It is what draws out the walnut's considerable natural bitterness over several days, and skipping it leaves an unpleasantly bitter preserve.
Karydaki Glyko Recipe (Greek Unripe Walnut Spoon Sweet)
Καρυδάκι γλυκό · by Kalliopi Andreou · updated 2026-07-31
- Prep
- 1h 30m
- Cook
- 1h 30m
- Total
- 3h
- Serves
- 16
Ingredients
Ingredients
Method
- Wearing gloves, peel the thin outer green skin from each walnut with a small knife.
- Soak the peeled walnuts in a large bowl of cold water, changing the water twice daily, for 6 to 7 days.
- Boil the soaked walnuts in fresh water for 15 minutes, then drain and discard the water. Repeat this boiling and draining process daily for 3 to 4 more days, using fresh water each time.
- Once the walnuts have softened and darkened, heat the sugar and water in a wide pan with the cloves and cinnamon stick, stirring until the sugar dissolves.
- Add the walnuts and simmer gently for 45 minutes to 1 hour, until the syrup has thickened and the walnuts are deep, near-black in colour throughout.
- Stir in the lemon juice. Remove the cloves and cinnamon stick.
- Transfer to sterilised jars, ensuring the walnuts are fully submerged in syrup. Store in a cool, dark place.
Nutrition, per 2 walnuts with syrup
- Calories
- 168
- Protein
- 2 g
- Carbs
- 38 g
- Fat
- 3 g
- Sat fat
- 0 g
- Fibre
- 1 g
These figures are calculated estimates based on the ingredients listed, not laboratory analysis. Actual values vary with brands, cuts and portion size.
Frequently asked questions about Karydaki glyko
When can you make karydaki glyko?
Only during a narrow window in late spring or early summer, when the walnuts are young enough that a needle passes through the whole unripe nut without resistance. Once the shell hardens, it is too late for that year.
Why do the walnuts need so much soaking and boiling?
Young walnuts are genuinely very bitter, and the repeated soaking and boiling over several days draws out that bitterness gradually while also darkening and stabilising the walnut's colour.
What is glyko tou koutaliou?
The wide Greek tradition of whole or piece fruit preserved in thick sugar syrup, traditionally offered to guests on a small dish alongside coffee and a glass of water, as a gesture of hospitality.
