The sourdough market is proving that old methods can win in a modern food economy. Polaris Market Research valued it at USD 3.5 billion in 2024 and USD 3.73 billion in 2025, with a forecast of USD 6.85 billion by 2034 at a CAGR of 7.00%. Behind the numbers is a simple shift: consumers want naturally fermented, flavourful baked goods. Market Snapshot Europe was the largest region in 2024, and...