Copyright (c) 2026 Protz On Beer, by Roger Protz Siren Craft Brew Brewery – Beers of the Month – Protz On Beer, by Roger Protz https://protzonbeer.co.uk/breweries/siren-craft-brew en-gb Tue, 02 Jan 2018 10:23:00 GMT Jan 2018: Sheltered Spirit, Siren Craft Brew Sheltered Spirit Imperial Porter aged in bourbon barrels Tue, 02 Jan 2018 10:23:00 GMT https://protzonbeer.co.uk/beers/2018/01/sheltered-spirit https://protzonbeer.co.uk/beers/2018/01/sheltered-spirit Apr 2017: Bourbon Milkshake, Siren Craft Brew Oak aged milk stout/imperial stout Sat, 01 Apr 2017 11:16:00 BST https://protzonbeer.co.uk/beers/2017/04/bourbon-milkshake https://protzonbeer.co.uk/beers/2017/04/bourbon-milkshake