'Miners in San Francisco used Lactobacillus sanfrancisco in the air to make this'
sourdough (bread)
FOOD HISTORY: Miners in San Francisco used Lactobacillus sanfrancisco in the air to make this
Miners in San Francisco used Lactobacillus sanfrancisco in the air to make this
Miners in San Francisco used Lactobacillus sanfrancisco in the air to make this
FOOD HISTORY
sourdough bread
FOOD HISTORY