how much water for 2 cups steel cut oats?
['1 cup steel cut oats.', '2 cups water (plus more as needed for cooking)', '1 Pinch sea salt.', '1 Tbsp flaxseed meal (optional)', '1 Tbsp maple syrup or coconut sugar (or other sweetener of choice), plus more to taste.', '1/4 tsp ground cinnamon , plus more to taste.']