Healthy banana, oat and kiwi cake
Banana, oat and kiwi cake with no added sugar: very ripe fruit provides the sweetness. An easy recipe with gluten-free, dairy-free and nut-free adaptations.
At a glance
- Prep15 min
- Cooking35 min
- Total50 min
- Servings6 servings
- DifficultyEasy
Allergens
- Gluten
- Dairy
- Egg
- Tree nuts
Who this recipe is for
A homemade cake with no added sugar, sweetened only with very ripe fruit: for an occasional snack or breakfast, not as a substitute for the day’s whole fruit.
Ingredients
Quantities for 6 servings. Tick off what you already have.
Step by step
- Preheat the oven to 160 ºC.
- Blend the rolled oats until they have a flour-like texture.
- Mash the very ripe bananas with a fork in a bowl.
- Add the eggs and milk (or plant-based drink) and mix until smooth.
- Add the cinnamon and desiccated coconut.
- Gradually add the oat flour, mixing until there are no lumps.
- Add the chopped walnuts and, finally, the baking powder, mixing only until combined.
- Leave the batter to rest for 5-10 minutes.
- Pour the batter into a small cake tin greased with olive oil and cover the surface with thin slices of kiwi.
- Bake at 140 ºC for 30-35 minutes, until a skewer inserted into the centre comes out clean.
- Leave to cool on a wire rack for at least 20 minutes before cutting. Store in the fridge.
Adaptations
How to change it depending on the day. Each change keeps the dish, it does not replace it.
Nut-free
Leave out the walnuts. The peanut butter version is also unsuitable if there is a peanut allergy.
Dairy-free
Use an unsweetened plant-based drink instead of cow’s milk.
Gluten-free
Use oats certified gluten-free: oats are suitable for coeliac disease only if they carry this certification.
Peanut version
Instead of the walnuts and coconut: 4 bananas, 120 g oat flour, 1 glass of milk and 2 tablespoons of 100% peanut butter (do not use if there is a peanut allergy).
What it provides
The sweetness in this cake comes from very ripe banana, with no added sugar or honey, together with wholegrain oats, fruit and nuts. It is still a sweet treat for an occasional snack or breakfast, not a food to eat every day without moderation.
The dietitian's tip
The riper the banana, the less sugar you need to add. You can freeze the cake cut into individual portions.
What a recipe is not
This recipe fits into a plan; it does not replace one. It cures nothing and it is not calculated for one particular person: the quantities are indicative and will need adjusting to your case.
If you have a medical condition, take medication or follow a prescribed diet, check with your doctor or your dietitian before changing anything.
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Would you like a plan made for you?
A recipe fits or does not fit depending on what is going on with you. In clinic we build the whole plan around what you eat, what you tolerate and what you fancy.

