Home - Twelve Triangles | Slow fermented sourdough and pastries made in EdinburghWe are a scratch bakery, working entirely with cold/slow fermentation sourdoughs, our breads and pastries work on a 3 or 4-day cycle and everything is made and shaped by hand by our bakers. No additives, no improvers.We believe in simple things done well, like bread. We are a scratch bakery, working entirely with cold/slow fermentation sourdoughs, our breads and pastries work on a 3 or 4-day cycle and everything is made and shaped by hand by our bakers. No additives, https://twelvetriangles.co.uk/