Maple Banana Baked Oatmeal with Walnuts
Inspired by techniques from Serious Eats.
Soft and moist baked oatmeal with banana throughout and the welcome nuttiness of walnuts, sweetened with maple and fragrant with cinnamon.
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Method
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Equipment
- shallow baking dish (about 20 x 28 cm)
- large bowl
- medium bowl
- whisk
- fork
- chopping board
- knife
- instant-read thermometer
Nutrition per serving (estimated values)
| Per serving | Amount |
|---|---|
| Energy | 523 kcal |
| Protein | 12.8 g |
| Carbohydrate | 71.8 g |
| of which sugars | 36.1 g |
| of which free sugars | 19.1 g |
| Fat | 22.7 g |
| of which saturates | 7.4 g |
| Fibre | 6.9 g |
| Salt | 0.81 g |
Protein per 100 kcal
2.4 g High Protein needs ≥ 10 g
Calculated from USDA FoodData Central ingredient values
Metric · 4 servings
Bake
- 28 g unsalted butter, melted, plus a little for the dish
- 135 g rolled oats (not instant)
- 60 g walnuts, chopped
- 1 tsp baking powder
- ½ tsp ground cinnamon
- 1.5 g fine sea salt or table salt about ¼ tsp
- 3 ripe bananas (2 sliced into rounds, 1 mashed)
- 80 ml maple syrup, plus more to serve
- 1 large egg
- 420 ml whole milk
- 1 tsp vanilla
Topping
- 12 g dark brown sugar
- 1
Prepare. Preheat oven to 175 °C (155 °C fan) and butter a 20 x 28 cm baking dish.
- 2
Mix. Combine 135 g rolled oats, 60 g chopped walnuts, 1 tsp baking powder, ½ tsp cinnamon and ¼ tsp salt in a large bowl.
- 3
Arrange. Lay 2 sliced bananas in the dish and scatter the oat mix over.
- 4
Pour. Mash the third banana, then whisk in 80 ml maple syrup, 1 large egg, 420 ml milk, 28 g melted butter and 1 tsp vanilla; pour evenly over the oats and tap so it soaks in.
- 5
Top. Scatter remaining walnuts and 12 g dark brown sugar over the top.
- 6
Bake. Bake 30-35 min until golden and centre reaches 71 °C.
- 7
Rest. Let rest 5 min before serving with extra maple syrup.

Storage
Keep covered in the fridge for up to 4 days; reheat individual portions in the microwave 1-2 min until warm. Cool leftovers in a shallow container and refrigerate within 2 hours (within 1 hour on a day above 32°C).
