Session 4
Malt — the backbone
Session 4 · Block B — Production & Craft

Malt —
the backbone

The grain that gives beer its sugar, its body, its colour, and much of its flavour. Malt is the canvas everything else is painted on — and the source of the colour scale you’ll read across the whole map.

Duration
40 min · 30 learn / 10 review
You’ll need
A pale beer & a dark one, ideally
Objective
Understand malt, colour & the SRM ladder
Reading · 1 of 1

The grain behind the glass

Malt is the first of the four ingredients and the one that sets the stage. Click through:

The colour ladder, visualized

From pale straw to black

Colour comes from how darkly the malt is kilned or roasted. Click each rung — and note the width is just the colour spectrum, not a ranking of quality or strength:

The lesson to carry

This ladder is the malt/colour axis of the whole map (Sessions 3, 10). Learn it as flavour — bready → caramel → roast — not as a hierarchy. A pale beer isn’t weaker or lesser than a black one; it’s just less-kilned malt. The same "colour tells you nothing about quality or strength" lesson runs through the olive oil and sake courses too.

Do this now · ~6 min

Read colour as malt

  1. Compare pale vs dark

    Pour a pale beer and a dark one side by side. Smell each: find bready/biscuit in the pale, coffee/chocolate roast in the dark. That difference is almost entirely malt.

  2. Guess the SRM

    Estimate each on the ladder. Then check the ABV — notice the dark one isn’t necessarily stronger. Colour ≠ strength, proven in your own glasses.

Check yourself

Questions

Drill

Flashcards

Prompt
tap to flip
The 10-minute review

Lock it in

From memory:

  1. What is malt, and how is it made?
  2. What sets a beer’s colour?
  3. What’s the difference between base and specialty malt?
  4. What does malt contribute besides sugar?
  5. Why is colour not a measure of strength or quality?
Session 5 · Block B — Production & Craft

Hops —
bitterness & aroma

The ingredient behind the modern craft boom — and the source of the course’s most important distinction: bitterness and aroma are two different things, set by two different choices.

Duration
42 min · 32 learn / 10 review
You’ll need
An IPA + a low-hop beer, ideally
Objective
Separate the two hop axes; grasp IBU
Reading · 1 of 1

The flower with two jobs

Hops do more than "make beer bitter." Click through the two jobs and the tools:

The distinction that unlocks modern beer

If you take one thing from this session: bitterness and aroma are independent. Early-boil hops give bitterness; late and dry hops give aroma. That’s why a classic English bitter can be bitter yet plain-smelling, while a hazy IPA can be wildly aromatic yet barely bitter. The whole IPA world (Session 11) lives in the space between these two axes.

Do this now · ~7 min

Split the two axes

  1. Rate them separately

    In an IPA, score hop bitterness (taste, back of tongue) and hop aroma (nose) as two different numbers on the instrument. Feel how they can diverge.

  2. Find the balance point

    Notice how the malt sweetness pushes back against the bitterness. A beer isn’t "60 IBU bitter" in isolation — it’s bitter relative to its malt.

Check yourself

Questions

Drill

Flashcards

Prompt
tap to flip
The 10-minute review

Lock it in

From memory:

  1. What three things do hops contribute?
  2. How are bitterness and aroma set differently?
  3. Why is IBU only meaningful relative to malt?
  4. What does dry-hopping do?
  5. Contrast noble hops with modern American hops.
Session 6 · Block B — Production & Craft

Yeast & the
ale/lager fork

The living ingredient — and the one that draws the single biggest line through all of beer. Same malt, same hops, same water: change the yeast and its temperature, and you change everything.

Duration
40 min · 30 learn / 10 review
You’ll need
An ale & a lager, ideally
Objective
Understand yeast & why it forks the whole map
Reading · 1 of 1

The organism that decides the character

Yeast doesn’t just make alcohol — it makes character. Click through:

Why the fork sits here

This is the great fork of Session 3, now explained: ale yeast (warm, expressive) versus lager yeast (cold, clean) is the deepest division in beer because it reshapes a beer more than any other single choice. At the far expressive end, Belgian and wild strains make the yeast the loudest voice of all (Session 14). Malt and hops are the ingredients; yeast is the personality.

Do this now · ~6 min

Feel the fork

  1. Ale vs lager, side by side

    Pour a clean lager (pilsner/helles) and an expressive ale (pale ale or hefeweizen). The lager should read clean and crisp; the ale, fruity or spicy. That gap is the yeast.

  2. Name the temperature

    Remind yourself which was fermented warm (the expressive one) and which cold (the clean one). Temperature made that difference.

Check yourself

Questions

Drill

Flashcards

Prompt
tap to flip
The 10-minute review

Lock it in

From memory:

  1. What does yeast do beyond making alcohol?
  2. How does ale yeast differ from lager yeast?
  3. Why does the great fork live at the yeast?
  4. What is "lagering"?
  5. What sits at the far expressive end of the yeast axis?