Making steel cut oatmeal in the Instant Pot is quicker than the stove top and requires less active time. This recipe works with fresh or frozen blueberries.
Add the water and non-dairy milk to the Instant Pot.
Sprinkle in the steel-cut oats, blueberries, brown sugar, optional vanilla extract, and salt. Don't stir together.
Lock the lid into place. Set the steam release valve to "sealing".
Press the manual button and set it to high pressure for 4 minutes. It will take about 10 minutes for the Instant Pot to reach pressure.
Once the 4 minutes are up, allow the Instant Pot to release pressure naturally. This will take another 10-12 minutes. The oats are ready when the float valve drops down. Carefully remove the lid and stir the oatmeal.
Add in 2 tablespoons of freshly squeezed lemon juice and the zest from the lemon. Adjust sugar to taste and add an extra splash of milk, if desired. Enjoy!
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Notes
Milk: I don't recommend using cow's milk as it is more likely to burn and curdle in the Instant Pot than non-dairy milk. I typically use soy milk, almond milk, or oat milk. This recipe also works with 4 ½ cups of water instead of milk and water.
Sugar: Adjust to taste. Any variety of sugar works here, such as honey, maple syrup, or granulated sugar.
Leftovers: For best quality, keep leftovers refrigerated for 3-4 days. You may need to add an extra splash of milk to loosen the oats up prior to reheating.