The Mary Berry Diabetic Cake Recipe is a thoughtful and delicious twist on classic baking. Specially designed for those who are managing their blood sugar levels, this recipe ensures that no one misses out on the joy of a homemade cake. It’s light, moist, and made with carefully selected ingredients that align with diabetic dietary needs.
Why Choose a Mary Berry Diabetic Cake Recipe?
Diabetic-friendly cakes often get a bad rap for being dry or bland, but the Mary Berry Diabetic Cake Recipe changes that perception. Mary’s approach balances flavor and nutrition using healthier sweeteners, whole grain flours, and moisture-retaining ingredients like fruit puree and yogurt. It’s perfect for birthdays, tea time, or guilt-free snacking.
Ingredients for Mary Berry Diabetic Cake Recipe
For the Cake:
- 150g wholemeal self-raising flour
- 1 tsp baking powder
- 75g granulated sweetener (like Stevia or Erythritol)
- 2 large eggs
- 100ml vegetable oil or sunflower oil
- 150g low-fat plain yogurt
- 1 tsp vanilla extract
- 100g unsweetened applesauce or mashed banana
- Zest of one lemon (optional)
Optional Add-ins:
- A handful of chopped walnuts or almonds
- 1 tsp ground cinnamon for flavor
Step-by-Step Instructions

Step 1: Preheat and Prepare
Preheat your oven to 180°C (160°C fan) or 350°F. Grease and line a loaf tin or an 8-inch round cake tin.
Step 2: Mix Wet Ingredients
In a large mixing bowl, whisk together eggs, oil, yogurt, vanilla extract, and applesauce until smooth.
Step 3: Add Dry Ingredients
In another bowl, sift together the flour, baking powder, sweetener, and optional cinnamon. Gradually add the dry mixture to the wet mixture, stirring until combined. Fold in lemon zest and nuts if using.
Step 4: Bake the Cake
Pour the batter into the prepared tin and bake for 35–40 minutes or until a toothpick comes out clean. Cool on a wire rack before slicing.
Nutritional Information (Approx. per slice)
| Nutrient | Amount |
|---|---|
| Calories | 160 kcal |
| Carbohydrates | 15g |
| Sugar | 5g |
| Fat | 8g |
| Protein | 4g |
| Fiber | 2g |
Tips for the Best Mary Berry Diabetic Cake
Measure Sweetener Accurately
Different sweeteners vary in sweetness levels. Be sure to use the equivalent amount suggested for sugar.
Don’t Overmix
Overmixing can make the cake dense. Mix until just combined.
Add Fruits Carefully
If adding fruits, stick to berries or apples for a lower glycemic impact.
Creative Variations to Try
Chocolate Diabetic Cake
Add 2 tablespoons of unsweetened cocoa powder and a tablespoon of dark chocolate chips (70% or higher).
Carrot Diabetic Cake
Add 100g grated carrots and a pinch of nutmeg for a naturally sweet, veggie-packed version.
Nut-Free Option
Skip the nuts and use seeds like sunflower or pumpkin for texture.
Storage and Freezing
Storing
Keep the cake in an airtight container at room temperature for up to 3 days or refrigerate for 5 days.
Freezing
Wrap slices in cling film and freeze for up to 1 month. Thaw at room temperature before serving.
Pairing Suggestions
Serve this cake with unsweetened herbal tea, decaf coffee, or a small dollop of sugar-free Greek yogurt.
External Link for Diabetic-Friendly Baking Ideas
For more inspiration on diabetic baking, check out the Diabetes UK Low-Sugar Baking Recipes collection.
FAQs About Mary Berry Diabetic Cake Recipe
Is this cake safe for all types of diabetes?
Yes, but always consult with your doctor or dietitian to ensure it fits your specific needs.
Can I use honey or maple syrup instead of sweetener?
These have a higher glycemic index, so stick with approved diabetic-friendly sweeteners.
What kind of yogurt is best?
Use low-fat, plain yogurt with no added sugar.
Can I make cupcakes with this batter?
Absolutely! Divide into a muffin tray and bake for 20–25 minutes.
Is it gluten-free?
Not by default. But you can substitute with gluten-free self-raising flour for a gluten-free version.