Chicha Morada Witch’s Brew

Today we travel to Peru, where chicha morada is the purple drink you’ll find at family lunches, street stalls and pretty much every celebration. I spent two years living there, so it was only a matter of time before it showed up in my kitchen dressed for Halloween.

Chicha morada is made by simmering dried purple corn cobs with cinnamon, cloves and fruit, then sweetening it as much or as little as you like. For our Witch’s Brew, I swap the usual pineapple for a mandarin and skip the apple. Then comes the best part: the kids squeeze in the lime juice and watch the potion turn colour right in front of them.

The Spooky Origin Story of Chicha Morada

Today’s chicha morada is alcohol-free, but its ancestor, chicha de jora, is a fermented corn drink that was supposedly invented by accident. Legend says heavy rains soaked the Inca Túpac Yupanqui’s corn harvest, and they threw out the fermented grains. A very hungry man ate them anyway and became so cheerful that he caught the Inca’s attention. The “spoiled” corn later became a celebrated drink.

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And in some villages, the corn wasn’t just soggy. It was chewed! Women sat in a circle, chewed corn flour and shaped it into little lumps that, legend has it, looked like false teeth. Their saliva helped the fermentation along. Don’t worry, our witch’s brew is 100% spit-free.

For centuries, people sold chicha in chicherías, small homes where the cook raised a red flag on the roof to tell the neighbourhood the chicha was ready. So yes, this drink was born from soggy, fermented corn and one very brave stomach, which makes it a perfect Halloween origin story. Our witch’s brew keeps the spooky spirit and leaves out the alcohol, so the little monsters can have seconds.

The One Ingredient You Can’t Swap: Peruvian Purple Corn

This is the only real shopping mission. You need whole dried Peruvian purple corn on the cob, sold as “maíz morado” or “Peruvian purple corn.” Look for it at Latin grocery stores or order it online. The cobs are so dark they look almost black.

No other corn works. Regular yellow corn, blue corn, or Mexican purple corn won’t give you the same deep colour or flavour, and most of the pigment sits in the cob, so loose kernels or corn flour won’t do the same either. Skip the powdered chicha morada mixes too. They’re mostly sugar and colouring.

My Witch’s Brew Twist on the Classic

Traditional chicha morada is simmered with pineapple peel and apple, like in my authentic Peruvian chicha morada recipe. For our Witch’s Brew, I swap in one mandarin and skip the apple. The mandarin adds a gentle citrus sweetness that suits the cinnamon and cloves, and it’s one less fruit to prep. It simmers with the peel on, so choose organic if you can, or give it a good scrub.

The Magic Trick: Why Lime Changes the Colour

This is the moment the kids wait for. Before the lime goes in, the brew is a deep, dark purple. Once they squeeze in the juice and stir, it brightens into a vivid ruby magenta right before their eyes. It’s a potion, after all.
The science is simple. The purple colour comes from natural pigments called anthocyanins, the same family of pigments found in blueberries and red cabbage. They react to acid, so when you add lime juice, the colour shifts toward red. That’s why I always keep the lime out of the pot and hand it to the kids at the table: it’s the best part of the show.

Brains and Eyeballs: The Spooky Garnishes

Two small touches turn chicha morada into a witch’s brew. First, blackberries cut into small pieces and dropped into the drink. Their bumpy little clusters look like mini brains floating in the potion. For an even creepier effect, use raspberries instead: their pinkish red is much closer to the real brain colour.
Second, blueberry eyeball ice cubes. Pop one blueberry into each compartment of a round-shape ice cube tray, cover with water and freeze. As the cubes float in the purple drink, the blueberries stare back at you. Make them the day before, or at least 3 hours ahead, so they’re frozen solid.