Poolish

Directions

1. 1
   In a 1-gallon plastic container, combine the water and yeast and stir until the mixture is milky and foamy and the yeast is fairly dissolved.
2. 2
   Stir in the flour until just combined.
3. 3
   Cover and leave at room temperature for 5 hours.
4. 4
   May be refrigerated for up to 48 hours before using.
5. 5
   Bring to room temperature before using.