SLIDE 1
Home Coffee Roasting With a Popcorn Maker
Alun Richards
SLIDE 2 What Have We Got For You?
- 1. Introduction to Home Coffee Roasting
- 2. Using a Popcorn Roaster
- 3. Buying Green Beans
- 4. The Process of Roasting Coffee
- 5. The Importance of a Grinder
- 6. The Importance of Consistency
- 7. A Few Words About Water
- 8. Preparing For Home Roasting
SLIDE 3 Why Me and Coffee Roasting
I’m a Coffee Lover
coffee for 35 years
- Fell in love with Italian
coffee in 1980
machine for 20 years
SLIDE 4
Introduction To Home Coffee Roasting
SLIDE 5 Why Roast Coffee At Home?
There are three main reasons
- 1. Freshness
- 2. Taste & aroma
- 3. Cost
SLIDE 6 Why Roast Coffee At Home?
Roast beans last at their peak for about two weeks Ground coffee lasts a few hours! When you roast at home you can always have the freshest coffee available
SLIDE 7 Why Roast Coffee At Home?
You have the freshest roasted beans So your coffee always tastes full Can taste individual bean characteristics
SLIDE 8 Why Roast Coffee At Home?
I can have my chosen coffee at a half to a third
roasted beans. When you buy green beans, you’ll find they are a fraction of the price of roast.
SLIDE 9 Can I Really Get Good Quality?
- Yes!
- You can at least rival
commercially produced coffee!
exactly how you like it
SLIDE 10
Using a Popcorn Roaster
SLIDE 11 Why Use a Popcorn Roaster?
an expensive business
roasters are up to £1,000 or more Other roasters
SLIDE 12 Why Use a Popcorn Roaster?
- Cost: about £24
- Next cheapest roaster is
about £300!
– Roast within 6 mins
– Small unit – Easily packed away
– Hot air circulates beans as they roast
SLIDE 13 What Popcorn Roaster Should I Get?
Popcorn roaster needs hot air vents at the SIDE
- Anything else will burn the
beans
- If your popcorn roaster has
this feature, it will work
SLIDE 14 What Popcorn Roaster Should I Get?
I recommend the Severin 117803 Popcorn Maker
- http://alunloves.it/severin
SLIDE 15 Why This Specific Popcorn Roaster?
need
- It works!
- Many reviews on
Amazon …
- … for coffee roasting!
- Fast delivery from
Amazon
SLIDE 16 Any Popcorn Roaster Disadvantages?
Small Batch Size
Fast Roast Time
- Less than 6 minutes
- … why a disadvantage?
- Can’t really alter roast
time
SLIDE 17 Any Popcorn Roaster Disadvantages?
All Disadvantages Outweighed by:
- Cost
- Convenience
- Consistency
- Speed
SLIDE 18 What Else Do I Need?
- A sieve
- A large paper takeaway
coffee cup
in grammes)
phone) Optionally
- A collander
- A large heavy metal pan
SLIDE 19 What Else Do I Need?
A large heavy metal pan
your roast
fastest
reduction needed to avoid over-roasting
SLIDE 20 What Else Do I Need?
Large Takeaway Paper Coffee Cup
they roast
roaster
top on, it will melt
SLIDE 21 Severin Alternatives
In the US?
Poppery
- Powerful heater
- No longer on sale
- Need to get from
– thrift sales – yard sales – eBay
SLIDE 22
Buying Green Beans
SLIDE 23 Why Green Beans?
Why Green Beans?
beans Green Bean Facts
- They last forever!
- Much longer than roasted
No Such Thing as ‘best bean’
- Coffee regions are different
SLIDE 24 What Green Beans?
What Type?
Why?
- More individual character
- More acidic
Where From?
- Ethiopia
- Costa Rica
- Colombia
SLIDE 25 What Green Beans?
Ethiopia High Grown Arabica
- Sidamo
- Yirgacheffe
- Harrar
Tastes
– Blueberry – Strawberry
SLIDE 26 Where Do I Get Green Beans?
My Suggestion:
- Start with organic Sidamo
- Or Yirgacheffe
Will take wide variety of roasts
- Light to dark
- Good coffee
- Good to learn your craft
SLIDE 27 Where Do I Get Green Beans?
Places Near You:
- Search Google
- Mail order – Search
Google To Get You Started: CoffeePlant: coffee.uk.com Coffee Bean Shop: Coffeebeanshop.co.uk
SLIDE 28
The Process of Roasting Coffee
SLIDE 29 Simplified Roasting Process
Simplified Roast Stages 1. Yellowing, darkening 2. First Crack 3. Second Crack 4. Burnt! Use sound and colour
- Listen for cracks
- Monitor darkness
Use timing
- Monitor time
- Record results!
SLIDE 30 Roasting Process
First Crack
- Beans crack audibly
- From 2-4 minutes
- The beans darken
Second Crack
- 4:30-6 minutes
- More heat given off
- Smoke emitted
- Darker colour
- Oily sheen
SLIDE 31 Stages of Roast - Expanded
First Crack
Second Crack
- Full City
- Vienna
- French
- Italian
- Spanish
SLIDE 32 Latter Stages of Roast
characteristics
- More roasted flavours
- Less acidity
- Then burnt flavours
SLIDE 33 Stages of Roast - Recommended
First Crack
Second Crack
- Full City
- Vienna
- French
- Italian
- Spanish
SLIDE 34 Why Stop at American or City?
Good Combination of:
- Acidity
- Bean characteristics
- Roast coffee flavour
SLIDE 35 Stopping at American or City
How Do I Know? Sound
- After first crack
- Before second
Appearance
- No oily shimmer
- Light/medium brown
Time
- More than 2:30-3:00
- Less than 6:00
SLIDE 36 Stopping at American or City
Consistency is Vital!
initially
measurements Once Consistent
preferred level
SLIDE 37 Stopping at American or City
Popcorn Roasting Is Fast!
quickly
lot
vital
SLIDE 38
The Importance of a Grinder
SLIDE 39 The Importance of a Grinder
A Good Grinder
roasters!
more than anything else
purchase
SLIDE 40
Grinder Mistakes
Don’t Get a Blade Grinder! They smash coffee beans to pieces … … instead of grinding Grain size consistency is key to good coffee Blade grinders produce partial beans and dust together
SLIDE 41
Grinder Mistakes
This means … Dust is over-extracted: bitter Partial beans are under- extracted: sour Bitter and sour in same cup overrides coffee taste
SLIDE 42
Grinder Mistakes
This means … Blade grinders not suitable for ANY style of coffee making You need a burr grinder
SLIDE 43 Grinder Requirements
What You Need
- A burr grinder
- Coffee ground between
two burred discs or cones
- Discs cheaper
- Conical burr grinders
better – more costly
model
- Krups GVX 231
- alunloves.it/krups
SLIDE 44 Grinder Requirements
Manual is Fine!
Coffee Grinder
grinder
two burred cones
model
- Hario Slim Mini
- alunloves.it/hario
SLIDE 45 Grinder Requirements
Next Step Up
- Dualit 75015
- Conical burr grinder
- Much better consistency
- Seriously consider this
grinder
- See the Amazon reviews
- alunloves.it/dualit
SLIDE 46
The Importance of Consistency
SLIDE 47 Consistency Is Vital
Consistency of What?
- Consistency of coffee you
produce …
- Depends on consistency
- f process
- Starting conditions are
vital
SLIDE 48 Consistency Is Vital
Consistency of What?
- Weight of beans
- Timing of roast
- Accuracy of measurement
You Will Need
– Smart phone is fine
- Kitchen scales in grammes
SLIDE 49 Consistency Is Vital
Consistency of Weight
- Measure 100g of beans
- Each time!
- Process consistency results
in output consistency Consistency of Timing
- Time 1st crack
- Time when stopped
- Keep notes!
- Time varies with
temperature
SLIDE 50 Dealing With Variation
Variability
perform differently
affects roast times Big Tip
constant!
SLIDE 51
A Few Words About Water
SLIDE 52 A Few Words About Water
coffee with bad water
considered best in World
SLIDE 53 A Few Words About Water
fighting with your coffee
- Overly hard
- Overly soft
- Nasty chlorine taste
- I filter with Brita filters
- Gives smooth, clear
clean-tasting water
SLIDE 54
Preparing For Home Roasting
SLIDE 55 Preparing For Home Roasting
Order:
- Severin roaster
- Green coffee beans
- Get a large paper coffee
cup
Group
facebook.com/groups/homeroastcoffee/
SLIDE 56 Preparing For Home Roasting
Get Out
- Severin roaster
- Green coffee beans
- Sieve, collander
- Heavy pan for cooling
- Timer
- Weigh scales
SLIDE 57 Preparing For Home Roasting
Do
beans
- Start timer
- Start Severin, drop in
beans
crack
- Watch colour
- Cool beans fast!
SLIDE 58
Preparing For Home Roasting
Congratulations, you now know how to roast coffee beans! Leave them 24-48 hours to degass before grinding Grind & prepare your first home roast coffee Repeat as necessary