Instant Pot Apple Cinnamon Steel Cut Oats

0 Select the Sauté mode and add the butter to melt it. 
1 Once melted, add the peeled and cubed apple and sauté for a few minutes.
2 Add the steel-cut oats and continue to sauté for 3–4 minutes until lightly toasted and nutty.
3 Stir in the water, milk, sugar, cinnamon, vanilla, and salt. Mix well.
4 Switch to High Pressure mode and set for 10 minutes.
5 When the cooking time ends, let the pressure release naturally for 10 minutes, then finish with a quick release.
6 Once the valve drops, carefully remove the lid. Stir the oats, then cover and let them sit 5–10 minutes to thicken.
7 Serve warm with extra milk, nuts, or a sprinkle of sugar on top if desired.