Add the steel cut oats and salt to the slow cooker. Pour over the water.
It's important to stir so the oatmeal gets distributed evenly in the water.
Cook on LOW for 4 hours. If needed, the oatmeal can cook for up to 6 hours on LOW.
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Notes
This recipe serves about 6; if you want to serve more, you can double this recipe; the cooking time remains the same.Once this is done cooking, switch to warm and serve promptly. If you need to keep for longer, you may need to add more water.For storing, you can refrigerate for up to three days or freeze for up to three months. Add a splash of water or milk when reheating and stir well.