So... What is it?

Its finally getting to winter in the land down under, so its time for a delicious fire side sipper! Enter, the sweet stout! A thick velvety milk stout crammed full of toasted coconut and caramelized toasted marshmallows! This beer is silky on the mouth, and complex on the pallet, starting off with a wave of dark chocolate and coffee, followed by sweet toasted marshmallowy goodness and finishing with the layered flavours and aromas of toasted coconut shavings, this is a winter slam dunk!

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Batch Size & Stats

• 19L / 5 gal finished beer
• 24L (6.3 gal) wort
• Starting gravity – 1.072
• Final gravity 1.02
• ABV – 7.6%
• IBU - 22
• Colour - 84 EBC
• Mash Efficiency - 87%

brewfather link

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What ingredients?

Water 

With sparging

• 20L (5.2 gal) for a 68°C (154.4°F) mash for 1 hour
• 15L (4 gal) sparge water at 78°C (172°F)

Without sparging

• 30L (7.9 gal) for a 68°C (154.4°F) mash (you can use our strike water calculator to find your ideal strike temp)

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Malts: Total 4.711 kg/ 10.4 lb

• 3.178 kg / 7 lb (62.2%) — Ale Malt

• 460g / 1 lb (9%) — Rolled Oats

• 409 g / 0.9lb (8%) — Dark Chocolate Malt
• 320 g / 11.3 oz (7%) — Wheat Malt
• 307 g / 10.8 oz (6%) — Medium Crystal Malt
• 256 g / 9 oz (5%) — Gladiator (Dextrin) Malt
• 102 g / 3.6 oz (4%) — Midnight Wheat     Malt
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• 560 g / 1lb —  Rice Hulls

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Adjuncts

• 400g (14.1 oz) — Lactose (added start of boil)
• 0.5 kg (1.1 lb) — Toasted coconut shavings added in the last 5 mins of Boil (toasted in oven for 8 mins at 180C / 356F)
• 0.5 kg (1.1 lb) — Toasted coconut shavings added in secondary fermentation, around day 7 (toasted in oven for 8 mins at 180C / 356F)
• 2kg (4.4 lb) — Toasted Marshmallows added in the last 5 mins of boil (5 mins at 200C / 392F and bronzed with a kitchen blow torch)

‍Hops & whirlfloc tablets  

Northern Brewer

• 14g (11 IBU's) - (0.5 oz) – 60 mins
• 28g (8 IBU's) - (1 oz) – 10 mins

Fuggles

• 28g (5 IBU's) (1 oz) – 10 mins

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Whirlfloc tablets 

• 0.75g (0.025 oz) / 1 tablet – 15 minutes left in the boil

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Yeast options & fermentation temperatures

• 20g (0.7 oz) Lallemand (LalBrew) Nottingham Yeast – ferment at 18°C / 64.4°F

• 23g (0.8 oz) Aus-05– ferment at 18°C / 64.4°F
• 23g (0.8 oz) US-05 – ferment at 18°C / 64.4°F
• 23g (0.8 oz) S-04 – ferment at 18°C / 64.4°F

Water Profile

• Ca²⁺102
• ‍^‍Mg²⁺ 7
• ‍Na⁺ 28
• ‍Cl^- 127
• ‍^‍SO₄^2- 66
• ‍^‍HCO₃^- 134

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Step by step process

Step 1 – Milling

• Mill grains to medium crush (set mill rollers to a gap of approx. 1.00mm / 0.039 inches)
• Just keep in mind roller gap settings are not universal so as you brew more batches you will find the ideal crush size for your setup
• Alternatively if you don’t have a grain mill you can order your grains crushed from most homebrew stores, both online and in person

Step 2 – Mashing 

• Mash for 60 mins at 68°C (154.4°F)

• Set your strike water to a few degrees above the target mash temperature, you can use our calculator to determine what your strike temperature should be

• ensure you mix in the grains thoroughly with a mash paddle to prevent dough balls from forming (big spoons, spatulas or whisks will also work)   

• its easier to mash the grains and prevent dough balls if you add a little grain at a time, mix, add more grain and repeat until all the grains are mixed

• if you don’t have a mash tun with heating then ensure after you have finished mixing the grains in to insulate your mash tun (thick neoprene or heavy blankets both work well)
• after 60 minutes of mashing raise the temp to 77°C (170°F) for 10-15 minutes to mash out, and deactivate the enzymes breaking down the sugars

Step 3 (optional) – Sparging

• if your setup has the capability to sparge then do so with 15L (4 gal) sparge water at 78°C (172°F)
• if you are not sparging and using a BIAB (brew in a bag) method then remove grains from mash tun and twist and squeeze the bag to get as much liquid out of the grains as possible
• as you start sparging (or straining your BIAB bag) begin raising the temperature of your wort to a boil

Step 4 – Boiling

• once your wort begins to boil start a timer for a 60-minute boil and add your bittering hops, 14g (0.5 oz) of Northern Brewer
• at 20 minutes left in the boil add your 400g / 0.88b of lactose
• at 15 minutes left in the boil add 1 whirlfloc tablets (or 0.75g of granulated whirlfloc)
• at 10 min left in the boil add 28g (1 oz) each of fuggles and northern brewer
• with 5 minutes left add both the toasted coconut shavings and toasted marshmallows

Step 5 – Cooling

• After 1 hour of boiling start cooling wort down to yeast pitching temperature
• once you’ve reached yeast pitching temperature take an original gravity reading of your wort

Step 6 – Yeast Pitching

• It is best to make a yeast starter before beginning your brew day (ideally 1 day before) to ensure your yeast are as active and healthy as possible before pitching, but not completely necessary – you could also just rehydrate yeast 30 minutes before pitching.
• Pitch yeast in wort a degree or two higher than the target fermentation temperature to help yeast take off more aggressively 

• To make a yeast starter you can use either:

• DME (dry malt extract) at a ratio of approx. 100g per 1L water (3.5 oz per 33 fluid ounces) for gravity of approx. 1.040 
• some unfermented wort kept cold and sanitary from a previous brew day
• 70g of table sugar per 1L water (2.5 oz per 33 fluid ounces) – however, it is best to use malt sugar (wort / DME) whenever possible to reduce the chance of shocking the yeast with a different food source from starter to wort pitching

• To rehydrate yeast

• Add yeast to approx. 10 times as much room temperature water as the weight of the yeast e.g. 10g yeast in 100 ml water (0.35 oz yeast in 3.5 fluid ounces water)

Step 7 – Fermentation

• Allow yeast to ferment over the next week to two weeks
• If you have a temperature controlled system keep the fermenter temperature to the recommended fermentation temperature for each yeast strain (stated in the yeast ingredients section above)
• Monitor the fermentation activity over the first 7 days by the bubbling of the blow off tube / airlock of your fermenter, as the bubbling slows down (roughly around day 7) take a gravity reading. When the gravity reaches around 1.022 raise the temperature of your fermenter by 1-2 degrees for 2 days for a diacetyl rest (if you don’t have temperature control don’t worry about this step, its not the end of the world!)
• at this point add the toasted coconut shavings to the fermenter and let it sit in the tank for at least 2 days
• Once the gravity is the same 2 days in a row move onto cold crashing! (If you can’t / don’t want to cold crash go straight to kegging/bottling your beer!)

Step 8 (optional) – Cold crashing 

• begin cold crashing your fermenter (bring the temperature of your fermenter down to as close to 0°C (32°F) as possible, for 2 days to a week depending on how patient you are
• If you don’t have a temp-controlled fermenter, you can cold crash by putting your fermenter in a fridge or temp-controlled chest freezer
• After you have finished cold crashing it's time to keg/bottle your beer! If you are bottling your beer from the fermenter uncarbonated remember to add about 5-7 grams (0.17 - 0.24 oz) of priming sugar to your bottles to carbonate your beer.

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