Moist walnut oat cake - gluten-free and dairy-free (healthy, naturally sweetened & ready in 10 minutes)
Some recipes become regulars in a family kitchen without even trying. This walnut cake is one of ours. It takes just minutes to prepare, uses real, nourishing ingredients and fills the house with that comforting aroma of toasted oats and nuts.
It’s naturally sweetened with fruit, rich in fibre and healthy fats and satisfying enough to work as more than “just a treat.” On top of all, it is gluten-free and dairy-free. We often bake it on weekends, slice it for lunchboxes, or enjoy it with a cup of tea in the afternoon sunshine.
Why We Love This Cake
This isn’t your typical sugar-heavy walnut cake. Instead, it’s built around ingredients that support steady energy and nourishment:
Walnuts provide plant-based omega-3 fats and antioxidants that support brain and heart health
Dates and bananas add natural sweetness, fibre and potassium - helping to avoid the sharp blood sugar spikes that come with refined sugar - and gives a caramel like taste for the cake
Eggs bring high-quality protein and choline, important for focus and development
Oats support gut health thanks to their soluble fibre
Hemp seeds and almond butter add extra healthy fats and plant protein for satiety
Collagen (optional) gently supports connective tissue and gut integrity
It’s simple, balanced and family-friendly.
The secret HERO: walnuts
Beyond their brain-like shape, walnuts are rich in plant-based omega-3 (ALA), supporting inflammatory balance, heart function and overall brain health. Their polyphenols and antioxidants help protect cognitive health, while also nourishing beneficial gut bacteria - an important connection for mood, focus and development in children as well as adults.
Ingredients
makes 12 slices
Base mixture
1 cup (240 g) filtered water
230 g pitted dates
4 eggs
3-4 ripe bananas
3 tbsp extra virgin olive oil
2 tbsp maple syrup
2 tbsp almond butter
4 tbsp hemp seeds
4 tbsp/ ~20g collagen (optional)
¾ tsp baking powder
¾ tsp bicarbonate of soda
1 tsp vanilla extract
pinch of salt
Addition
2 cups rolled oats (use gluten-free if needed)
3/4 cup walnuts
Extra 1/4 cup chopped walnuts for topping
Method
Preheat the oven to 180°C (160°C fan). Line a cake tin with baking paper or use a silicone baking form lightly greased with coconut oil.
Blend the base mixture: add the water, dates, eggs, bananas, olive oil, maple syrup, hemp seeds, almond butter, collagen (if using), baking powder, bicarbonate of soda, vanilla extract and salt into a high-speed blender. Blend until smooth.
(We use a Vitamix in our kitchen - it’s been part of our daily routine for over eight years and makes recipes like this effortless.)
Add oats and walnuts: add the rolled oats and walnuts to the blender and pulse a few times. There’s no need to fully blend - a little texture works beautifully.
Bake: pour the mixture into your prepared tin. Sprinkle the chopped walnuts over the top.
Bake for around 45 minutes, until golden. Check with a toothpick, it should come out clean from the centre.Allow the cake to cool fully before slicing. This helps it firm up and hold its shape.
This cake keeps well for several days and freezes beautifully. It’s one of those recipes that feels indulgent, yet quietly supports steady energy and nourishment for the whole family.
Enjoy and let us know how you like it.