OBSIDIAN FLOW – IMPERIAL STOUT 8.4%

Obsidian Flow is a velvety, rich imperial stout layered with a complexity of roasted, aromatic and crystalised malts. Flavours of smokey tobacco and cinder toffee are being carried through on a background of roasted coffee, dried fruits and liquorice with a lingering sturdy bitterness.

Ingredients: Water, Barley, Hops & Yeast. Allergens in Bold

Single – 440ml Can

Obsidian Flow – Burnt Mill Brewery

Dark. Decadent. Intensely Layered.

Beer Overview

Obsidian Flow from Burnt Mill Brewery is a bold, full-bodied Imperial Stout built for depth, richness and slow appreciation. Pouring jet black with a lasting tan head, it delivers waves of roasted malt complexity balanced by smooth sweetness and controlled bitterness.

This is a stout with presence—luxurious yet structured, powerful yet refined. Expect dark chocolate intensity, espresso roast and subtle dark fruit notes woven through a velvety body. Obsidian Flow is designed for those who appreciate layered flavour and modern craft precision in a classic imperial style.

Flavour Profile

Taste: Dark chocolate, roasted coffee, treacle, molasses and hints of dried fruit.
Mouthfeel: Full-bodied, smooth and velvety with warming depth.
Finish: Long, rich and gently bitter with lingering cocoa and roast.

Aroma

Aromatic espresso, cacao nibs, toasted malt and subtle dark fruit, supported by light caramelised sugar notes.

Brewing Process & Uniqueness

Obsidian Flow is brewed with a carefully constructed grain bill featuring roasted barley and specialty malts to create depth without harshness. Burnt Mill’s focus on balance ensures sweetness and bitterness remain harmonised, preventing the beer from becoming cloying despite its strength.

Fermentation control and conditioning time allow the flavours to integrate fully, resulting in a smooth, cohesive Imperial Stout that delivers richness with polish rather than aggression.

Serving & Food Pairing

Serve at: 12–14°C in a stemmed glass or stout glass.

Perfect with:

• Rich chocolate desserts

• Sticky toffee pudding

• Blue cheese or aged cheddar

• Slow-braised beef dishes

• Espresso or coffee-based desserts

About Burnt Mill Brewery

Based in Suffolk, Burnt Mill focus on brewing beers to a very high standard that are un-filtred and fresh. Owned by former home brewer Charles O’Reilly, Burnt Mill was founded in 2016 with a keen eye on quality and standards. Head Brewer Sophie de Ronde brought a wealth of brewing knowledge and talent. Between them and a fledgling team, they quickly established Burnt Mill as a brewery to be loved by beer fans around the country. Whilst Burnt Mill produce a wide range of styles, the major on all things West Coast. Bright, clean crisp Pales and IPAs are always main stage and form the foundation of their catalogue.

Jo and James visited them in Autumn of 2023 to film a feature on the brewery and discover the recipe for the Gluten Free Pale Ale – Beyond The Firs, which you can buy the recipe kit for here.

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All beer is cold stored to ensure you get the best quality beer delivered to you and so you get to enjoy the beer as the brewer intended.