Ho much, how often, how do you prepare it?
Sorry missed this question. Now I cook 1 cup steel cut oats in 4 cups water with 1 tsp salt. Just add oats to boiling water, reduce heat and simmer about 30 min stirring from time to time. This makes 4 meals - about 3/4 cup cooked porridge each time. I eat it with sheep yogurt and a little fruit - usually berries. I eat that 4 days in a row then have something else for a couple of days then make more porridge.
In the beginning I ate much less than that, built up slowly.