The commercial sourdough activity of King Arthur Baking Company, often referred to colloquially as “King Arthur Sourdough,” traces its roots to a company founded in 1790. This makes it one of the oldest flour companies in the United States, a
Calculate perfect ratios for artisan sourdough
3/3/2026
The commercial sourdough activity of King Arthur Baking Company, often referred to colloquially as “King Arthur Sourdough,” traces its roots to a company founded in 1790. This makes it one of the oldest flour companies in the United States, a