Mexican

Tepache (Fermented Pineapple Drink, Miami Tropical)

The peels and core of one ripe pineapple, 200 grams of piloncillo or dark brown sugar, 2 liters of water, a cinnamon stick, a few cloves. Everything in a jar. Covered with cheesecloth. Stirred once daily. Three days later, strain and refrigerate. The Mexican fermented pineapple drink that turns pineapple scraps (waste otherwise) into a fizzy, slightly sour, pineapple-forward beverage — and in Miami's summer heat, ferments in 36 hours instead of 3 days. The easiest ferment in the collection, and the most rewarding.

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Drink · Cocktail Mixer · Summer Refresher · Amuse-Bouche
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None (naturally vegan)
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~2 L · 10-15 servings (100-150 ml per) · keeps 1-2 weeks refrigerated
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36 h - 4 days (Miami: 36-48 h; cooler climates: 3-4 days)

The Pineapple Scrap Ferment

Tepache is pre-Columbian Mexican. The technique predates the Spanish conquest — indigenous Mesoamerican peoples fermented pineapple with corn and sugar as a mildly alcoholic beverage that preserved the fruit during seasonal abundance. Today, tepache is the easiest and most rewarding fermentation project in the home kitchen, and in Miami's sub-tropical climate it is almost impossible to mess up. The pineapple peels and core (parts otherwise thrown away) ferment with piloncillo (unrefined Mexican cane sugar) and water to produce a fizzy, slightly sour, distinctly pineapple-forward drink that stands between kombucha and cider in the fermentation family.

The Miami factor is everything. Traditional Mexican tepache ferments 3-4 days at 22-25 °C. Miami's summer ambient temperatures (25-32 °C year-round, 30+ in July-September) accelerate this to 36-48 hours. This is why tepache is particularly well-suited to Miami kitchens: fast turnaround, low equipment requirements, year-round success. The Miami speed comes with one risk — you cannot walk away from the ferment. What takes 4 days in a Michigan basement takes 2 days in Miami, and 12 hours makes the difference between 'perfect' and 'too sour.'

This recipe also establishes the zero-waste integration pattern Pablo's collection is building. The pineapple's edible flesh goes into the morning fruit bowl, into gazpacho (UMAMI-5 #1 tropical variant), into grilled-fruit desserts, into the Miami Hot fermented hot sauce variant (UMAMI-8 #2). The scraps — peels, core, crown — become tepache. Nothing wastes. This is the Pablo-Miami-hosting cycle: buy a ripe pineapple Friday, eat the flesh Saturday, start tepache Saturday afternoon, enjoy the ferment by Monday. Three days of value from one pineapple.

The finished drink has three distinct use cases. As a chilled summer refresher: poured over ice in small glasses, 100-150 ml per serving, on its own or garnished with fresh mint. As a cocktail mixer: 60 ml tepache + 30 ml mezcal + dash of lime + Tajín-rimmed glass = the vanguardia-era Miami-Mexican cocktail that defines summer cookout. As an amuse-bouche: 30 ml in a small glass passed at the start of a Mexican-leaning dinner party — the palate primer that signals the meal's arc. All three uses from one batch.

Ingredients

for ~2 L · 10-15 servings (100-150 ml per) · keeps 1-2 weeks refrigerated

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Everyday

The Classical Tepache (🟢)

Peels + core + crown of 1 ripe pineapple (eat the flesh — it's not part of the ferment; the peels and core have enough sugar and wild yeast)
200 g piloncillo (Mexican unrefined cane sugar — cone or block form, available at Mexican/Latin markets) OR dark brown sugar as substitute
2 L filtered water (NOT chlorinated — chlorine kills wild yeast)
1 cinnamon stick
3-4 whole cloves
Optional: 1 star anise OR pinch of allspice berries

Optional 🔴 Variants (Flavor Expansions)

Fresh ginger — 2 cm knob, sliced (adds warmth + pungent depth)
Tamarind — 2 tbsp tamarind paste OR 3 dried tamarind pods, soaked (adds sharper acid note)
Additional star anise — 2 pods total (more licorice-fennel character)
Fresh lime zest from 1 lime (brightens the final flavor; add at strain stage)

Substitution Notes

No piloncillo? Dark brown sugar is the closest substitute. Muscovado sugar (British-style unrefined brown) also works. AVOID white granulated (wrong flavor) and coconut palm sugar (too bitter). Piloncillo is worth sourcing — available at any Mexican market or online for $3-5.
Frozen or canned pineapple? Fresh is mandatory — the wild yeast on pineapple skin is the fermentation agent. Frozen/canned pineapple has been processed and lost the wild yeast. No fermentation starter = no tepache.
Pineapple is under-ripe? Wait until it's fully ripe. Under-ripe pineapple has less sugar and less wild yeast; ferment will be weak or fail. Signal: yellow-gold color, slight softness when pressed, sweet aroma from the base.
Miami summer vs winter? In summer (25-32 °C ambient), ferment completes in 36-48 hours. In winter (18-22 °C), ferment takes 3-4 days. Cooler climates (Northeast US, Europe) typically 4-5 days. Taste daily starting at the 36-hour mark.

No Limits

Premium Tepache (🔴 — Miami Tropical)

Peels + core of 1 Homestead farmers market pineapple OR Robert Is Here tropical market pineapple (Pablo's Miami supplier network — tropical fruit specialist in Homestead, year-round access to ripe tropical varieties)
200 g Mexican piloncillo (Mexican Latin market — standard cone form)
2 L filtered or spring water (NOT chlorinated tap water)
1 Mexican cinnamon stick (true cinnamon, cinnamon verum — softer, sweeter than Ceylon-style grocery cinnamon)
4 whole cloves
2 star anise pods
2 cm fresh ginger, sliced
2 tbsp Thai tamarind paste (adds sharper acid note)
Optional: zest of 1 lime added at strain stage

Service & Cocktail Ingredients

Chilled tepache in a pitcher, served over ice
🔴 **Pablo cocktail pattern:** 60 ml tepache + 30 ml mezcal (Del Maguey Vida or similar artisanal) + dash of fresh lime + Tajín-rimmed glass
Alternative: 100 ml tepache + splash of sparkling water for a lower-alcohol spritzer
Fresh pineapple slice or mint sprig for garnish
Small glass cups for amuse-bouche service (30-50 ml per)
Small toothpicks with mini pineapple cubes for the cocktail garnish

Mise en Place

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Pineapple at peak ripeness (golden-yellow color, soft when pressed, sweet aroma from base)
Peel pineapple with a sharp knife — save peels + core + crown in a bowl. Eat the flesh NOW or refrigerate for later (not part of the ferment)
Large fermentation jar cleaned thoroughly (hot water + soap, rinsed well — chlorine-free)
Piloncillo weighed (200 g)
Water measured (2 L — filtered or spring, chlorine-free)
Spices staged (cinnamon stick, cloves, star anise, ginger, tamarind if using)
Cheesecloth cut to fit the jar mouth, rubber band ready
Label ready for the jar (date of start)

Method

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Prep + Assembly — 10 Minutes of Work

Choose a ripe pineapple. Signal: golden-yellow color (not green), slight softness when pressed, sweet aroma from the base end. Under-ripe pineapple has less wild yeast and less sugar — weaker ferment.

Peel the pineapple with a sharp knife, catching the peels in a clean bowl. Cut off the crown and leaves (save for planting if desired, or discard).

Cut the pineapple flesh from the fibrous core. The flesh is NOT part of the ferment — eat it fresh, add to morning fruit bowls, or save for other dishes (Miami Hot hot sauce UMAMI-8 #2, grilled pineapple, pineapple gazpacho, etc.). The CORE is part of the ferment.

Combine in a large glass jar (3-4 L capacity): all the pineapple peels + the fibrous core + any trimmed bits + 200 g piloncillo (unwrapped) + 2 L filtered water + 1 cinnamon stick + 3-4 cloves + optional spices (star anise, ginger slices, tamarind for 🔴).

Stir with a long wooden spoon to dissolve the piloncillo. The sugar should fully dissolve within 2-3 minutes of stirring.

Cover the jar mouth with cheesecloth secured with a rubber band. The cloth allows CO2 produced during fermentation to escape while preventing insects and debris from entering. Do NOT use a tight-fitting lid — CO2 pressure can rupture glass.

Label the jar with the start date. Place in a clean corner of the kitchen at room temperature (22-28 °C ideal), out of direct sunlight.

The Ferment — 36 Hours to 4 Days

At the 24-hour mark: stir the ferment once with a clean wooden spoon. You should see bubbles forming in the liquid and around the pineapple peels — this is active wild-yeast fermentation. If no bubbles: pineapple was under-ripe, water was chlorinated, or room temperature is too cold. Wait another 12-24 hours; if still no activity by day 2, abort and restart with ripe pineapple + filtered water.

Stir once daily — same time each day. The stir prevents a surface layer from forming and ensures even fermentation throughout. 30 seconds of gentle stirring is enough.

Timing by climate: Miami summer (25-32 °C ambient) = 36-48 hours; Miami winter (18-22 °C) = 3-4 days; cooler climates (Northeast US, Europe) = 4-5 days. The temperature directly controls fermentation speed via yeast metabolic rate.

First taste test: Miami summer at 36 hours; standard climates at 48 hours. Use a clean spoon. The flavor should be: fizzy (visible/audible carbonation), slightly sour (lactic acid building), pineapple-forward (fruit character dominant).

Flavor progression: Day 2 = sweet-fizzy (early stage); Day 3 = balanced fizz-sour-pineapple (classical Mexican target); Day 4 = drier, more sour, less sweet (over-fermented for most palates).

Stop the ferment by straining when flavor is where you want it. The Miami warning: what takes 3-4 days in a Michigan basement takes 2 days in Miami, and the difference between 'perfect' and 'too sour' can be 12 hours. Taste frequently.

Warning signs: pink or black mold on the surface (abort — contamination), off smell like rotting (abort), excessive pressure (if using a sealed container, which you shouldn't be).

Strain + Bottle + Refrigerate

When the tepache is at your preferred flavor stage: pour the entire contents through a fine-mesh strainer into a large bowl or clean pitcher. Discard the pineapple peels, cores, and spices — they've given everything they have.

The strained liquid is tepache — approximately 2 L. If it seems thick, strain a second time through a coffee filter or cheesecloth for a clearer result.

(🔴) Add the zest of 1 lime and stir — the lime zest brightens the finished flavor without adding acid. Optional but elevating.

Pour into clean glass bottles or pitchers. Cap tightly. Refrigerate.

Refrigeration HALTS the fermentation. The flavor locks at whatever point you strained — further changes are minimal in the fridge at 4 °C.

Storage: keeps refrigerated 1-2 weeks. Flavor peaks in the first 5-7 days and slowly declines from there. After 2 weeks, the drink may taste slightly more sour than at bottling.

If stored in sealed bottles and the ferment continued slightly before refrigeration: some residual carbonation may build up. Open carefully — tepache can be fizzy and splash if shaken or warmed.

Timeline

Day 0 · 10 AM — Eat pineapple flesh, prep scraps Peel the pineapple with a sharp knife. Cut off and discard the crown (or save for planting). The edible flesh is NOT part of the ferment — eat fresh, or save for other dishes. Save: the peels (outer skin), the core (the fibrous cylinder), and any trimmed bits. These go into the ferment.
Day 0 · 10:10 AM — Assemble ferment In a large glass jar: combine pineapple peels + core + 200 g piloncillo + 2 L water + cinnamon stick + 3-4 cloves + optional spices (🔴: star anise, ginger, tamarind). Stir with a long wooden spoon to dissolve the piloncillo. Place peels so most are submerged; some floating is fine.
Day 0 · 10:15 AM — Cover + label Cover the jar mouth with a piece of cheesecloth. Secure with a rubber band. The cloth allows CO2 to escape and prevents insects from entering. Do NOT use a tight lid — the CO2 pressure could rupture the jar. Label with start date.
Day 0 · 10:20 AM — Position at room temp Place the jar in a clean corner of the kitchen at room temperature (22-28 °C ideal). Avoid direct sunlight (degrades flavor + heats unevenly). Summer Miami: any kitchen counter. Winter Miami or cooler climates: somewhere warm (near the oven, on top of the fridge).
Day 1 · Same time — First stir Stir the ferment once with a clean wooden spoon. You should see bubbles forming around the pineapple peels — active wild-yeast fermentation. If no bubbles yet: pineapple may have been under-ripe or water may have chlorine; wait another 12-24 hours.
Day 2 · Miami summer — First taste test Miami summer (ambient >25 °C): at 36 hours, strain 1 tbsp and taste. Should be: mildly fizzy, slightly sour, pineapple-forward. If flat: 12-24 more hours. If too sour: STRAIN NOW and stop the ferment (refrigeration halts the process).
Day 2-3 · Standard climate — Daily taste Taste daily. The flavor progression: day 2 sweet-fizzy, day 3 balanced fizz-sour, day 4 sour-dry. Pull at your preferred point. Classical Mexican preference: day 3 (balanced fizz-sour-pineapple).
Day 3 (Miami) / Day 4 (cool) — Strain When the flavor is where you want it: strain everything through a fine-mesh strainer into a large bowl or pitcher. Discard the peels + cores. The liquid is tepache — ~2 L.
Strain day · +30 min — Bottle + refrigerate Pour the strained tepache into clean glass bottles or pitchers. Cap tightly. Refrigerate. Refrigeration halts further fermentation — the flavor locks at whatever point you strained. 🔴 addition: zest of 1 lime stirred in at this point brightens the final flavor.
Day 4+ · Serve cold Pour over ice in small glasses (100-150 ml per serving). Serve on its own or as a cocktail mixer. 🔴 Pablo cocktail: 60 ml tepache + 30 ml mezcal + dash of lime + Tajín-rimmed glass = the Miami-Mexican summer cocktail. Keeps refrigerated 1-2 weeks, flavor peaks in first 5-7 days.