Bring 2 quarts of water to a boil in a pot with salt. Add rinsed sorghum, return to a boil, then reduce the heat to medium-high and boil uncovered until soft, about 50–60 minutes. Drain off cooking water, then serve.
Slow Cooker
Place rinsed sorghum, 3 cups water and salt into a slow cooker. Cover and cook on high for 4 hours. Cooking on low is not recommended. Drain excess water and serve.
Multi-Cooker
Place rinsed sorghum, 3 cups water and salt in the pot of a multi-cooker. Set the valve to sealing. On manual setting and high pressure, set for 30 minutes. Quick release the pressure. Drain excess water and serve.