Measure everything before you start. Having ingredients weighed or measured prevents overcooking and lets you focus on technique—especially important for oats which can scorch if you walk away.

Toast the oats dry: place a small, heavy-bottomed saucepan over medium heat and add the 3/4 cup rolled oats. Toast, stirring or shaking the pan constantly, for 60–90 seconds until they smell nutty and a few grains darken. Toasting blooms the oats’ flavor and gives the finished porridge a deeper, slightly caramelized note—this is a simple restaurant trick that transforms plain oats.

Add milk and a pinch of salt to the toasted oats and bring to a gentle simmer (small bubbles at the edges) over medium-low heat. Start with the milk cold so the oats absorb liquid gradually; bringing to a simmer rather than a hard boil keeps the texture creamy and prevents the milk from scalding.

Cook the oats, stirring frequently, 4–6 minutes until thickened but still saucy. Adjust the heat to keep a gentle simmer—vigorous boiling breaks down texture and can make the oats gluey. Remember oats continue to thicken as they rest, so pull them off a touch earlier than you think if you like creamier porridge.

While the oats are finishing, whisk together the peanut butter and 1–2 tablespoons of warm milk from the pot in a small bowl. This creates a smooth peanut sauce that will swirl easily into the oats and coat the banana slices—making for a silkier mouthfeel than adding cold peanut butter straight into a hot pot where it can clump.

Remove the pot from heat and stir in the chia seeds, 1/4 tsp ground cinnamon, the vanilla (if using), and the maple syrup. Chia seeds will absorb liquid as the porridge rests, adding body and a pleasant gel-like texture—stirring them in off the heat prevents them from clumping and ensures even hydration.

Fold in half of the sliced banana, mashing a couple of pieces gently into the oats to sweeten and thicken naturally. The mashed banana integrates for creaminess; the remaining slices keep a fresh banana texture on top for contrast.

Transfer the oatmeal to a warm bowl. Arrange the remaining banana slices on top, drizzle the peanut sauce created earlier over the bowl, and finish with an extra drizzle of maple syrup and a light sprinkle of cinnamon. This plating step adds visual appeal and ensures every spoonful gets a hit of peanut butter and maple.

Let the bowl rest 1–2 minutes before eating so the chia can finish thickening and the flavors meld. A short rest time improves texture and allows the oats to cool just enough to eat comfortably.