Sake Production Step 1. Growing & Harvesting Rice Step 2. The Milling Process Step 3. Washing & Soaking Step 4. Steaming & Cooling Rice Step 5. Koji Production Step 6. Yeast Starter Step 7. Rice Mash Fermentation Step 8. Pressing Step 9. Filtration Step 10. Bottling & Pasteurization Step 11. Maturation