Seaweed Mooncakes

My partner is from China and every year I try to make a different kind of mooncake for Mid-Autumn Festival. The variety of this holiday dessert is infinite, and in the past I’ve tried different fillings from ham and roses to fruit, from purple yam to salt-cured egg yolk (even a giant one from the egg of a rhea, similar to an ostrich!)

The mooncake has powerful symbolic associations with the full moon and the bounty of the harvest season. Its origins go back to the Shang dynasty (approximately 1600 to 1046 BC), but the earliest mooncakes, produced as offerings for altars of the deceased, were round cakes with no filling, thick in the middle and thin on the edges, named Taishi (Grand Historian) cakes after a government official who held that title. Around the 2nd century BC, these cakes started to be filled for the first time, using sesame or walnut. Later innovations resulted in the special molds that shape many modern moooncakes, although some variants (like the ones I tend to make) are still produced un-molded and round like the full moon.

Here’s a mooncake I’ve never tried before, using this recipe with some modifications (as the English was auto-translated, I’ve adapted it for clarity below and added US measurements). Seaweed powder mooncakes are a regional specialty associated with the city of Ningbo in Zhejiang province on China’s east coast. Rather than pine nuts they are sometimes made with walnuts, one of the very earliest filling ingredients; indeed mooncakes are said to have originated in Zhejiang. These rely on a technique commonly used in Chinese baked goods: two separate doughs are formed, a water dough made of lard, flour and water and an oil dough just made of lard and flour. A ball of water dough is wrapped around a ball of oil dough, and this is flattened and rolled up several times to laminate the dough and create flaky layers.

These mooncakes had a really interesting combination of flavors; the crust is super rich and flaky and dense, the filling is sweet and savory, and the seaweed is not overpowering with the other ingredients. To make the seaweed powder, I ran some sheets of seaweed paper through a spice grinder. You will need a lot of sheets as they are very light!

Seaweed Mooncakes

Makes 25 small cakes.
  • Filling:
    • Sweet bean paste, 300g / 1 and 1/3rd cups (original recipe says white bean paste, I used black)
    • Seaweed powder 50g / little less than 1/4 cup
    • Pine nuts 60g / 1/4 cup (you could also use walnuts)
    • Maltose syrup 50g / little less than 1/4 cup (I used Korean rice syrup; corn syrup or honey would also work)
    • Salt 10g / 2 and 1/4 teaspoons
    • Corn oil 100g / little less than half a cup
  • Water Dough:
    • Medium-gluten flour 150g / 10 tablespoons plus 2 teaspoons
    • Low-gluten flour (cake flour) 150g / 10 tablespoons plus 2 teaspoons
    • Lard (refrigerated) 120g / 1/2 a cup
    • Sugar 12g / little less than a tablespoon
    • Salt 3g / 3/4 of a teaspoon
    • Pure water 85g / 6 tablespoons
  • Oil Dough:
    • Low-gluten flour (cake flour) 200g / 1 cup
    • Lard 100g / 1/2 a cup
  • Decoration:
    • 1 egg yolk
    • Pure water 5g / 1 teaspoon
    • Sliced almonds for garnish (I used more pine nuts, 2 per mooncake with the black tips removed. Walnuts would also work.)

Steps:

  1. Mix all the filling ingredients and divide into 25 small balls. Set aside in fridge.
  2. Mix the water dough by hand or with a mixer until combined; then wrap in plastic wrap and let rest for about 30 minutes in the fridge.
  3. Mix the oil dough, wrap in plastic wrap and let it rest for about 30 minutes in the fridge.
  4. Divide the water dough into 25 balls of equal size. Cover with plastic wrap and return to fridge.
  5. Divide the oil dough into 25 balls of equal size.
  6. Flatten a ball of water dough and wrap it around a ball of oil dough, rolling in your hands until the outside is smooth. Repeat with the other balls.
  7. When you have combined all the balls of dough, take one and roll it out as thin as possible with a rolling pin, being careful not to tear the outside of the water dough. Roll it up into a cylinder and repeat with the other balls.
  8. Take one of your cylinders of dough, roll it out flat, and roll it up into a cylinder again. Repeat with the other cylinders, then repeat this process one more time. Each ball will be rolled out three times.
  9. Let dough rest for 10 more minutes.
  10. Fold a cylinder in half and flatten it into a rough circle. Wrap this around a ball of filling and shape by hand into a smooth, round cake (a slightly flattened sphere shape).
  11. Place mooncakes on a baking tray, brush with egg yolk wash and add nut garnish.
  12. Bake at 200 degrees C / 392 F for 15 minutes. Then remove from the oven, apply egg wash again, and bake for another 10 minutes until golden brown.

Chrysocolla [Flaxseed Candy] (Greek, at least 7th century BCE)

“Bread sprinkled with poppy-seed is mentioned by Alcman in Book V as follows: ‘Couches seven, and as many tables laden with poppy-bread, and bread with flax and sesame-seed; and in cups…chrysocolla.’ This is a confection made of honey and flaxseeds.”
~ Athenaeus quoting Alcman, Deipnosophistae Book 3 (early 3rd century CE)

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Athenaeus of Naucratis is perhaps the greatest Ancient Greek food writer, though he lived and wrote in Rome at the height of its Empire. His masterwork Deipnosophistae (The Philosopher’s Dinner Party, among other possible translations) is an overview of Greek food culture that attempts to document just about every literary reference to food in Greek. In order to accomplish this ambitious objective, Athenaeus draws on a vast array of sources, not only food critics and chefs but poets and historians. He is nothing if not comprehensive: writing in the third century, Athenaeus recorded a reference to a sweet called chrysocólla (χρυσοκόλλα) in the work of Alcman, a poet who lived about a thousand years earlier, in the 7th century BCE.

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A papyrus fragment from Greek Egypt, now in the collection of the Louvre in Paris, with one of Alcman’s poems. Alcman’s Greek combines features from different dialects, possibly further evidence that he was not a native speaker. Public domain (2011).

Lighthearted and celebratory, Alcman writes often of the joys of food and his own great appetite, even calling himself in one poem ho panphágos Alkmán, “the all-devouring Alcman.” Yet we know that he lived in Sparta, that most austere of Greek cities, whose other poets are far more serious and grim. An ancient tradition maintains that there was good reason for Alcman’s un-Spartan ways: he wasn’t Spartan, or even Greek, by birth, but came from Lydia in modern Turkey. The poet himself seems to support this claim with a remark that he learned poetry from the chukar partridge, a Near Eastern bird that is not native to Greece. According to Aristotle, Alcman arrived in Sparta enslaved, but his master freed him because of his remarkable poetic ability. He would go on to be listed with literary rockstars like Sappho and Pindar among the Nine Lyric Poets, those deemed most worthy of study by later Greek scholars. Evidently, it pays to listen to partridges.

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Alcman called the chukar kakkabi, after its three-note call. It would probably enjoy this recipe (at least the flaxseeds). Photo from Wikimedia Commons (2004).

In Ancient Greek, chrysocolla means “gold glue.” Alcman’s confection shares the name with a striking blue mineral that was used as solder by ancient goldsmiths, gluing the precious metal together. From the name and ingredients, we can infer that Alcman’s chrysocolla was a crunchy hard candy, resembling the sesame pasteli of modern Greece, the amaranth tzoalli of the Aztecs, and similar seed and nut candies enjoyed around the world. Deipnosophistae itself contains a reference to another ancient version, a Cretan specialty with both sesame and nuts called koptoplakous, from a word meaning “cut off” or “broken” (compare English “brittle”).

Today this type of candy often contains sugar refined from sugarcane, a plant which was unknown in Greece until 326 BCE, when Alexander the Great’s men returned from India with stories of “the reed which gives honey without bees.” The genuine honey in this recipe is enough to bind the flaxseeds together. The added olive oil helps keep the gold glue from sticking to everything else.

THE RECIPE

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-1 cup honey
-1 cup whole flaxseeds
-Olive oil

First, toast the flaxseeds by placing them in a dry skillet over medium heat. Stir continually for 5-7 minutes, until the seeds are glistening and start to jump around in the skillet. Remove from the heat. Oil a glass or ceramic dish and set aside.

In a saucepan, bring the honey to a boil while stirring with a wooden spoon. Once the honey is boiling, lower the heat, stir in the toasted flaxseeds and cook for an additional 15 minutes, continuing to stir.

Remove from the heat and spread the mixture onto the dish, smoothing it as much as possible with the back of a spoon. Let cool for 1-2 hours in the fridge, until it has set into a hard, amber-like candy. Snap the chrysocolla into pieces and place in cups.

Alcman described himself as an indiscriminate eater, but it would be hard to find anyone who would turn up their nose at this sweet, crunchy treat made with just three ingredients. Sometimes the simplest recipe can bring the greatest joy, a principle of cookery which Alcman well understood.

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“And then I’ll give you a fine great cauldron, wherein you may gather food in heaps. It’s still unheated by fire yet, but soon it’ll be full of that thick stew that the all-devouring Alcman loves, piping hot when the days are past their shortest. For he eats not what is nicely prepared, but demands simple things like the common people.”
~ Alcman quoted in Deipnosophistae Book 10