Comparative
technique
The fastest way to make everything you’ve learned real: hold all but one variable constant, taste side by side, and let the difference teach you. Three flights, three lessons.
Build a flight that isolates one thing
A good flight changes exactly one variable so its effect becomes unmistakable. Three worth running:
Aging flight (isolate oak)
- One distillery: blanco → reposado → añejo.
- Everything but barrel time held constant.
- You taste exactly what oak does over time.
- The clearest way to feel the spine.
Production / terroir flights
- Traditional agave-forward vs industrial blanco — the diffuser/additive divide.
- Or highland vs lowland blanco — terroir.
- Same category, so the one variable stands out.
- Often more surprising than the aging flight.
The rule for any flight: same glassware, unmixed, side by side, at the same time. Hold the serving constant so the only thing that differs is the variable you’re studying — exactly the discipline behind every "structure first" tasting.
Run one flight
Choose your variable
Aging, production, or terroir. Get 2–3 tequilas that differ only in that.
Taste side by side
Same glasses, no mixers, small pours, water on hand. Slurp/nose across them.
Write the sentence
Complete: "As ___ changes, the tequila gets ___." That sentence is the lesson, learned by taste, not by reading.
Questions
Flashcards
Lock it in
From memory:
- How do you isolate the aging variable?
- How do you taste the production divide?
- How do you taste terroir?
- What must stay constant across a flight?
- Why does comparative tasting work?
Consolidation,
final & mezcal
Tie the whole course together, take the twelve-question final, and step through the outward door: tequila is one agave spirit among many, and mezcal is where the map keeps going.
The whole course, in one view
Read a tequila backwards and you have the course: aging (blanco→extra añejo, time in oak) sits on top of production (the agave, cooked in oven or diffuser, crushed by tahona or mill, fermented wild or cultured, distilled to keep or strip character), grown in a specific origin (highland fruity vs lowland earthy), under a rulebook (blue Weber agave, the five states, the NOM — which permits more than buyers assume).
The recurring truths: cooked agave is the soul, and its absence is the warning sign; every production step forks between character and efficiency; "100% agave" is necessary but not sufficient; color and price prove nothing; and the plant’s 5–9 year life is the pressure behind nearly every shortcut. Structure first, brand and bottle last.
Tequila is a kind of mezcal
Here’s the reframe to end on: all tequila is technically mezcal — an agave spirit — just a specific, heavily-regulated one made from a single agave in a defined region. Step outside those rules and a whole world opens up:
Mezcal
Made from dozens of agave species (espadín, tobalá, tepextate…), often in different regions (notably Oaxaca), traditionally roasted in underground pits — giving the smoky, wild, hugely varied character tequila lacks. The obvious next journey.
Other agave spirits
Raicilla, bacanora, sotol (actually not agave, but adjacent) and more — regional Mexican distillates, each its own rabbit hole.
How to explore
Bring the exact same instrument and structure-first habit: taste the agave, attribute flavor to process and origin, judge what’s in the glass. The framework transfers completely.
Go deep on one distillery’s range, or one region, or make the jump to mezcal and taste what agave does without tequila’s rulebook. The palate and the method you built here work on all of it.
Questions
Flashcards
Lock it in
Before the final, from memory:
- Recite the aging spine and the production chain.
- What is cooked agave, and why does its absence matter?
- State the character-vs-efficiency fork.
- What does "100% agave" not guarantee?
- How does tequila relate to mezcal?
You can read the agave
You started with a spirit most people only know as a burning shot. You end able to trace a tequila back through its aging, its production, its origin, and the rulebook that shapes it — and to tell real cooked-agave craft from an industrial spirit dressed up with additives. That’s the whole discipline: taste the structure, attribute it to a cause, and judge the bottle on what’s in the glass, not on the glass itself.
The one thing this course can’t give you is the tequila. Buy 100% agave, favor transparent producers, taste the blanco, and keep notes. And when you’re ready, the door out of tequila leads straight to mezcal — below.