The "Demon-Class Food" That Terrifies Westerners: How Century Eggs Got Me Through a Cold Mountain Night

Deep in the night at a high-mountain campsite, the wind outside the tent is a bone-chilling few degrees below zero, whipping the tent fabric with a snap-snap-snap. In an extreme environment like this—physically spent, on the edge of hypothermia—if you wanted to quickly replenish calories and soothe your stomach, what gear would you reach for?

In the past, I might have pulled out an energy bar or instant noodles. But now, buried deep in my backpack, there are sometimes a few — century eggs.

Yes, that same humble snack found at Taiwanese noodle stalls, delicious whether paired with blanched greens or drizzled with soy paste and bonito flakes. Yet in the minds of many Westerners, this blackish thing is nothing less than a “demon-class product” straight from hell.

And the century egg can also serve as an all-purpose ingredient—whether in stir-fries, barbecues, or stews, you can try adding it. Once, when I couldn’t light a fire, I chopped a century egg, mixed it with pork floss, and sandwiched it in toast for a tasty sandwich.

The “Millennium Treasure” That Scares Foreigners Witless

It’s said that the Italian government once dispatched a large force of armed police to seize 800 century eggs and salted duck eggs from local Chinese markets. Not only did they solemnly declare these to be dangerous items “unfit for human consumption” ☠️, but the entire European Union even once listed them as prohibited imports. 🇺🇸 America’s CNN, in one report, mercilessly rated the century egg as “the world’s most disgusting food.”

We all know that much of this comes down to the vast gulf between Eastern and Western food cultures, but if we put ourselves in their shoes for a moment, it isn’t hard to understand the Westerners’ fear.

In English translation, the century egg is often rendered directly as “Hundred-year egg” or even “Thousand-year-old egg.” Imagine a foreigner with zero exposure to Asian culture seeing this thing for the first time—peeled open to reveal a strange translucent blackish-brown, with a yolk reduced to a gray-green paste, and a name that sounds like an ancient fossil food dug out after being buried for thousands of years. How terrified must they feel inside?

A Black Miracle With More Names Than Flavors

This egg, born of ancient Chinese wisdom and the world’s only “alkaline egg,” is also a marvel of the culinary world for the sheer number of names it has.

In Chinese alone, it goes by pine-flower egg (for the beautiful pine-branch-like crystalline patterns often on its surface), transformed egg, ash-wrapped egg, colored egg, alkaline egg, mud egg, and more. Abroad, foreigners who can’t figure out what kind of creature this is have bestowed upon it all manner of bizarre English names: besides the aforementioned hundred-year and thousand-year eggs, there are preserved egg, millennium egg, skin egg, and even the blunt black egg.

With such extreme and varied mysterious titles, opinions naturally split into love-it-or-hate-it extremes—which only further highlights its special place on the world’s culinary map.

Why It’s the Perfect Outdoor Survival Food: Century Egg vs. Salted Duck Egg

Back to the opening question: why do I bring this “demon food” up the mountain?

On long outdoor treks or high-altitude camping trips, “easy to carry, resistant to crushing, slow to spoil at room temperature, and ready to eat straight from the shell” are the highest principles for choosing individual rations. Among egg products, the century egg and the equally quintessential Chinese “salted duck egg” are undoubtedly excellent candidates.

Looking at the basic numbers on paper: a salted duck egg actually has about 21 more calories than a century egg, and 0.4 grams more protein. For extreme outdoor survival conditions where calories are desperately needed, the salted duck egg seems the more advantageous choice.

But the devil is in the details—namely, the “sodium content.”

On high mountains where hydration is extremely precious, excessive salt intake causes severe thirst and physical strain. A single salted duck egg packs a whopping 2,183 mg of sodium—4.3 times that of a century egg (502 mg)! On a cold, thirsty mountain night, if you wolf down a salted duck egg, you might have to drink a large amount of precious water to quench your thirst—definitely not a good idea outdoors.

The century egg, by contrast, not only retains rich protein and fat to provide satiety and calories, but isn’t deathly salty like the salted duck egg. In a cold tent, peeling open a century egg, that unique alkaline flavor and mellow yolk texture instantly soothes a weary body. Even without soy paste, eaten plain it delivers a rich, sweet aftertaste.

The Wanderer’s Carry-On Ration List: A Full Breakdown of Century Egg Nutrition

Next time you pack your hiking backpack, don’t forget to stuff in this demon-class food that terrifies Westerners. It’s the best black knight to get you through countless cold mountain nights!

Finally, here’s this black miracle’s nutritional ID card, so it can rightfully become your outdoor companion:

🏷️ Century Egg Nutrition (per 100 g):

• Energy: 715.464 kJ (about 171 kcal)
• Protein: 12.15 g
• Total Fat: 11 g
  • Saturated fat: 3.266 g
  • Polyunsaturated fat: 1.236 g
  • Monounsaturated fat: 4.632 g
• Cholesterol: 680 mg
• Carbohydrates: 5.1 g
• Sugar: 4.93 g
• Sodium: 502 mg
• Potassium: 154 mg