This delightful sponge blends ripe banana sweetness with the gentle warmth of grated carrot and mixed spice. It yields a moist, lightly spiced loaf that suits afternoon tea or family celebrations.
Simple to follow, the recipe is ideal for confident beginners and seasoned bakers. You will preheat the oven to 200°C (180°C fan) and use a 20cm round tin for the best rise and structure.
Using quality ingredients such as sunflower oil, large eggs and a touch of vanilla extract helps the crumb stay soft and tender. Expect a total time of around 1 hour 30 minutes from start to finish, with a skewer test to check doneness.
Key Takeaways
- Preheat the oven to 200°C or 180°C fan for reliable results.
- Use a 20cm round tin to achieve ideal rise and texture.
- Sunflower oil and large eggs keep the sponge moist and tender.
- Mixed spice and vanilla extract deepen the flavour without overpowering.
- Total time is about 1 hour 30 minutes; test with a skewer.
Why You Will Love This Mary Berry Carrot And Banana Cake
This loaf brings a comforting balance of flavours and textures.
The Flavour Profile
The sponge pairs the gentle earthiness of grated carrot with the natural sweetness of ripe fruit. Warm mixed spice lifts the base without overwhelming it. The result is a well-balanced treat that suits afternoon tea or a casual dessert.
Why It Works
Moisture is the secret: fruit and veg keep the crumb tender for days. The soft crumb makes every slice feel fresh and homemade.
“A silky cream cheese topping adds a tangy finish that balances the spice.”
Mary Berry designed this version to be versatile. It performs well as an everyday snack or as a refined pud for guests. Many bakers praise how a smooth cream cheese frosting can elevate a simple sponge into something special.
Essential Ingredients For Your Bake
Gathering the right pantry staples sets the scene for a reliably moist, well-spiced loaf.
Dry base: sift 225g self-raising flour into a large bowl with a pinch of bicarbonate and a teaspoon of mixed spice. Stir in 175g light brown sugar to break up any lumps.
Fruit and fat: mash 2 large ripe bananas and mix with 150ml sunflower oil and 2 large eggs in a separate bowl. Fold this wet mixture into the dry ingredients for an even batter.

Vegetable texture: coarsely grate 200g of carrots and fold them in. Optional: add 75g chopped walnuts for crunch.
- For the cream cheese icing combine 200g full-fat cream cheese, 50g softened unsalted butter, 75g sifted icing sugar and 1 tsp vanilla extract.
- Always use good-quality ingredients to get the best result from this mary berry carrot loaf recipe.
“Use a large bowl and gentle folding to avoid overworking the batter; that keeps the sponge light.”
Preparing The Perfect Batter
Good preparation makes the difference between an even rise and a dense crumb. Start by preheating your oven to 200°C (180°C fan) and grease a deep 20cm round tin with butter or line it with parchment.
Mixing The Wet And Dry Ingredients
Dry mix first: in a large bowl sift 225g self-raising flour with a pinch of bicarbonate, mixed spice and the sugar. Stir to create an even dry base.
Wet mix: in a separate bowl whisk the mashed bananas with the eggs, sunflower oil and a tsp vanilla extract until the mixture is smooth.
Gently fold the wet mixture into the dry ingredients with a spatula. Take care not to overmix; this keeps the crumb light and soft.
- Fold in the grated carrot and optional walnuts so they are evenly distributed.
- Spoon the batter into the prepared tin and use a spatula to level the top for an even rise.
- Bake as directed; when cool, finish with a cream cheese icing dusted with icing sugar if you wish.
“Careful folding and a level top are what give this mary berry carrot loaf its consistent, professional appearance.”
Baking And Cooling Techniques
Place the prepared tin centrally in the heated oven so the loaf cooks evenly and achieves a steady rise.
Bake time: Put the tin in the centre of the preheated oven and bake for about 45 minutes until the surface is risen and golden. Use a skewer to test the centre; it should come out clean when the bake is complete.
Remove the tin and leave the loaf to rest for 10 minutes in the tin. This short pause helps the structure settle and makes it easier to turn out without tearing.
Turn the loaf onto a wire rack and allow it to cool fully before adding any cream cheese icing. Cooling on a wire rack prevents steam from pooling under the loaf and keeps the crumb from getting soggy.
“Proper cooling prevents the cream cheese frosting from melting or sliding off the cake.”

| Stage | Action | Approx. time |
|---|---|---|
| Bake | Place tin in centre of oven; bake until golden and risen | 45 minutes |
| Rest in tin | Leave undisturbed so crumb firms | 10 minutes |
| Cool on rack | Turn out and cool fully before icing | Until room temperature |
| Total time | Includes baking and cooling to protect icing and texture | Approximately 1 hour 15–25 minutes |
- Test with a skewer to check the centre is baked through.
- Wait until the loaf is fully cool on a wire rack before spreading icing.
- Following these steps preserves the moist, tender crumb praised in mary berry recipes.
Expert Tips For A Moist Sponge
Timing and gentle technique are the secrets to a soft, even-textured sponge. Follow a few targeted tips to avoid common faults and to get a reliably light loaf every time.
Preventing A Dense Crumb
Do not overmix once flour meets the wet mixture. Fold with a soft spatula until just combined.
Use very ripe bananas to add natural moisture. Avoid extra beating after adding eggs and flour to keep the crumb light.
Achieving The Perfect Rise
Check your baking powder is fresh and measure a tsp accurately. Preheat the oven fully before the tin goes in.
Level the top of the batter so the rise is even. Test the centre with a skewer to confirm doneness.
Managing The Cream Cheese Topping
Beat 200g full-fat cream cheese with 50g softened butter until smooth before adding icing sugar. This gives a stable base for the icing.
If the topping seems loose, chill for a few minutes so it firms and is easier to spread on the cooled loaf.
“Properly mixed topping and a cool loaf keep the cream cheese icing from sliding off.”
| Issue | Quick fix | Why it works |
|---|---|---|
| Dense crumb | Fold gently; stop when streaks disappear | Prevents gluten overdevelopment |
| Poor rise | Use fresh tsp baking powder; preheat oven | Ensures consistent lift from the start |
| Runny icing | Chill topping for 5–10 minutes | Firming helps spread a neat top |
| Underbaked centre | Test with a skewer; add 5–10 minutes if needed | Protects texture and keeps crumb light |
- Always cool the loaf fully on a wire rack before adding icing.
- Use good ingredients—flour, eggs, oil and walnuts—to support structure and flavour.
- Small steps at each stage yield a light, moist berry carrot loaf your guests will love.
Storage And Serving Suggestions
Store the finished loaf carefully to preserve the creaminess of the topping and the sponge’s moisture. Once the loaf is completely cool, place it in an airtight container and keep it at room temperature for up to two days.
Because of the cream cheese top, refrigeration is best if you want to keep the bake for longer. Store covered in the fridge for up to five days to protect the dairy and maintain texture.
If you plan to freeze, remove any icing first. Wrap slices or the whole loaf well and freeze for up to three months. Defrost fully before re-icing to avoid soggy sugar-bloom on the top.
- Serve each slice with a cup of tea or coffee for a classic pairing.
- Sprinkle chopped nuts on the top for extra crunch and visual appeal.
- Each serving contains approximately 385 kcal, so enjoy as a satisfying treat.
“Always ensure the loaf is completely cool before storing to keep the crumb tender and the ingredients stable.”
Conclusion
This simple recipe shows how pantry staples turn into a reliably moist, spiced loaf that pleases every time.
By following the method you learn the value of correct oven temperature, careful folding and a resting period. Use a measured 1 tsp where indicated and trust the process to help your baking reach a steady, even rise.
The cream cheese topping adds tang and balances the spice. Let the loaf cool fully before you spread the cream and add the icing for a neat finish that holds its shape.
Enjoy each slice and feel confident to make this loaf for guests or a relaxed weekend treat.
FAQ
What size tin should I use for this recipe?
Can I substitute vegetable oil with melted butter?
How ripe should the bananas be?
Do I need to grate the carrots or finely chop them?
Can I replace walnuts with another nut or leave them out?
What spice mix works best in this bake?
How do I know when the cake is done?
Why is my sponge dense and how can I prevent that?
How do I achieve a good rise?
How should I prepare the cream cheese topping?
Can I make the cake ahead of time?
What’s the best way to store leftovers?
Are there flour alternatives if I’m avoiding wheat?
Can I freeze the cake or batter?
Mary Berry Carrot And Banana Cake
This delightful sponge blends ripe banana sweetness with the gentle warmth of grated carrot and mixed spice, yielding a moist, lightly spiced loaf perfect for afternoon tea or family celebrations.
Ingredients
- 225g self-raising flour
- 1 pinch bicarbonate of soda
- 1 tsp mixed spice
- 175g light brown sugar
- 2 large ripe bananas
- 150ml sunflower oil
- 2 large eggs
- 200g carrots, coarsely grated
- 75g chopped walnuts (optional)
- 200g full-fat cream cheese
- 50g softened unsalted butter
- 75g sifted icing sugar
- 1 tsp vanilla extract
Method
- Preheat the oven to 200°C (180°C fan) and grease a 20cm round tin.
- In a large bowl, sift the self-raising flour, bicarbonate of soda, mixed spice, and light brown sugar to create an even dry base.
- In a separate bowl, mash the ripe bananas and mix with the sunflower oil, eggs, and vanilla extract until smooth.
- Gently fold the wet mixture into the dry ingredients using a spatula, being careful not to overmix.
- Fold in the grated carrots and optional walnuts until evenly distributed.
- Spoon the batter into the prepared tin and level the top with a spatula.
- Bake in the preheated oven for about 45 minutes, or until the surface is risen and golden, and a skewer inserted into the center comes out clean.
- Remove the tin from the oven and let the loaf rest in the tin for 10 minutes before turning it out onto a wire rack to cool completely.
- For the cream cheese icing, beat the cream cheese and softened butter until smooth, then add the sifted icing sugar and vanilla extract, mixing until combined.
- Once the loaf is completely cool, spread the cream cheese icing on top.
