This ultra-easy, no-flour Weetabix cake is soft, high in protein, and perfect for breakfast, snack, or dessert — all while keeping your syns in check.
🧾 Recipe Card
Servings: 6 slices
Prep Time: 5 minutes
Bake Time: 30–35 minutes
Total Time: 40 minutes
Dietary Tags: Slimming World • Low Syn • High Protein • Flourless • Sugar-Free
✅ Ingredients Checklist
- 2 Weetabix, crushed
- 3 eggs
- 250g fat-free plain Greek yogurt
- Optional: 1–2 tablespoons sweetener (granulated or liquid)
- Optional: cinnamon, vanilla extract, or mixed dried fruit
📋 Instructions
-
Preheat Oven
Set oven to 180°C / 160°C fan / 350°F / Gas Mark 4. Line a small loaf tin or round cake tin with parchment. -
Mix the Wet Ingredients
In a bowl, whisk 3 eggs and 250g Greek yogurt until smooth. -
Add Crushed Weetabix
Stir in the crushed Weetabix and mix until fully combined. Let sit for 5 minutes to absorb. -
Add Flavour (Optional)
Add sweetener, a pinch of cinnamon, vanilla extract, or fruit, if desired. -
Bake
Pour into the prepared tin and bake for 30–35 minutes, or until golden on top and a skewer comes out clean. -
Cool and Slice
Allow to cool in the tin, then slice into 6 squares or slices.
📝 Recipe Notes
- No flour, no sugar – perfect for low-syn or sugar-conscious diets!
- Each serving is approximately 1/2 a Healthy Extra B (if using Weetabix as HEB).
- Best eaten fresh but can be stored or frozen for later.
- Add sweetness depending on your taste – yogurt can be tangy alone.
🧁 Introduction
This flourless Weetabix cake has gone viral among Slimming World circles, and for good reason. It’s a 3-ingredient, low-syn, protein-rich cake that fits right into your plan — whether you need a grab-and-go breakfast or a comforting tea-time snack.
Soft, moist, and surprisingly satisfying for something so simple!
🍽️ Step-by-Step Instructions with Photos
(Images would go here on a blog)
Step 1: Whisk eggs and yogurt
Get a smooth, creamy base — this keeps the bake soft and protein-rich.
Step 2: Crumble and stir in Weetabix
They’ll absorb the wet ingredients and create a cake-like batter. Let it sit to thicken slightly.
Step 3: Pour into tin and bake
You’ll see the top start to turn golden and slightly puffed as it bakes.
Tip: Don’t overbake — it should be soft inside like a muffin, not dry.
🥣 Ingredient Insights + Substitutions
| Ingredient | Why It’s Used / Substitutes |
|---|---|
| Weetabix | Adds fiber and structure – you can sub with bran flakes or oat bran (adjust quantity). |
| Greek Yogurt | Makes it creamy and protein-packed – can use fat-free quark or Skyr too. |
| Eggs | Binds and gives structure – for egg-free, use flax eggs or 1/4 cup applesauce per egg. |
Add-Ins:
- 1 tsp cinnamon
- 1 tsp vanilla extract
- 1 tbsp raisins or chopped dates (adds syns)
- 1 tbsp cocoa powder for chocolate flavor
🍓 Variations & Serving Suggestions
Flavor Ideas
- Banana Nut: Add ½ mashed banana + cinnamon + walnuts
- Choco-Chip: Mix in sugar-free chocolate chips
- Fruit Burst: Add raspberries or blueberries for fruity tang
Serve With:
- Fat-free fromage frais or yogurt
- A drizzle of sugar-free syrup
- Fresh berries on top
- Dust with sweetener and cinnamon
🧊 Storage & Make-Ahead
- Fridge: Store slices in an airtight container for up to 3 days.
- Freezer: Freeze individually wrapped slices for up to 1 month.
- Reheat: Microwave for 20 seconds or serve cold straight from the fridge.
🔢 Nutrition (Per Slice Estimate)
| Nutrient | Value |
|---|---|
| Calories | ~90–100 kcal |
| Protein | ~6g |
| Carbs | ~10g |
| Fat | ~2g |
| Syns | ~0.5–1 syn (depending on yogurt & sweetener used) |
Allergens: Contains wheat, egg, dairy (unless substituted)
❓ FAQ
Q: Can I use flavored yogurt?
A: Yes! Use any fat-free flavored yogurt (like vanilla or strawberry) – just count syns if sweetened.
Q: Can I skip the sweetener?
A: Yes. The cake will be slightly tangy – great for pairing with sweeter toppings.
Q: Can I make muffins instead?
A: Absolutely! Bake in a silicone muffin tray for 20–25 minutes.
Q: Is this Healthy Extra B?
A: If using 2 Weetabix as your daily HEB, this recipe makes 2 portions (1 HEB = 2 slices).
🧡 Final Thoughts
This Weetabix cake is proof that simple can be sensational. With only a few ingredients, it delivers a soft, healthy bake that can be customized however you like. Plus, it’s budget-friendly, quick to make, and freezer-ready.
Try it once – you’ll be baking it weekly!
💬 Share Your Twist!
Tried this recipe with your own spin? Added banana, berries, or cocoa? Drop your version in the comments or tag me on social media — I’d love to see how you made it your own.
