Measure your base: For two servings, use 1 cup rolled oats, 1 cup water, and 1 cup milk.
If you prefer thicker oatmeal, reduce the liquid slightly. For looser oatmeal, add a splash more milk at the end.
Bring to a gentle simmer: In a medium saucepan, add the water, milk, and a small pinch of salt. Warm over medium heat until you see gentle bubbles around the edge.
Avoid a hard boil to prevent scorching the milk.
Add oats and stir: Pour in the oats and stir right away to separate any clumps. Reduce the heat to medium-low so the mixture simmers softly.
Cook until creamy: Cook for 6–8 minutes, stirring every minute or so. The oats should soften and thicken.
If it thickens too quickly, add a splash of milk. If it’s too thin near the end, let it simmer another 1–2 minutes.
Sweeten and finish: Stir in 1–2 tablespoons of brown sugar, depending on how sweet you like it. Add 1 teaspoon vanilla extract and a pinch of cinnamon if you’re using them.
Turn off the heat and swirl in 1 teaspoon of butter for extra creaminess.
Taste and adjust: Taste for sweetness and salt. A tiny pinch of salt can actually make the brown sugar flavor pop. Add more milk if you want it silkier.
Serve warm: Spoon into bowls and top with sliced banana, berries, or chopped nuts if you like.
A dusting of cinnamon or an extra sprinkle of brown sugar looks and tastes great.