Mary Berry’s Coffee Fudge Traybake

A Classic British Treat with Rich Coffee Flavor & Velvety Icing

Elegant, effortless, and utterly delicious! This moist coffee sponge cake from baking legend Mary Berry is topped with a smooth coffee fudge icing—perfect for afternoon tea, bake sales, or when you need a fuss-free crowd-pleaser.


✨ Why You’ll Love This Recipe

Mary Berry-approved – Foolproof and timeless!
One-bowl wonder – Minimal cleanup.
Balanced coffee flavor – Not too strong, not too weak.
Perfect for gifting – Cuts neatly into squares.


📝 Ingredients

(Makes 12 squares)

For the Cake:

  • 170g (¾ cup) cold margarine (or unsalted butter)
  • 175g (¾ cup + 2 tbsp) caster sugar
  • 3 large eggs, room temp
  • 1 tbsp coffee extract (or 2 tsp instant coffee + 1 tbsp hot water)
  • 175g (1½ cups) self-raising flour
  • ¾ tsp baking powder

For the Icing:

  • 85g (⅓ cup) softened butter
  • 225g (2 cups) icing sugar, sifted
  • 1 tbsp milk
  • 1 tbsp coffee extract (same as above)

(Optional: Chocolate shavings or cocoa powder for garnish!)


👩‍🍳 Step-by-Step Instructions

1️⃣ Prep & Make the Batter

  1. Preheat oven to 180°C/350°F. Grease and line a 20x30cm (8×12-inch) traybake tin.
  2. Beat margarine and sugar until pale and fluffy (~3 mins).
  3. Add eggs one at a time, mixing well after each. Stir in coffee extract.
  4. Sift in flour + baking powder; fold gently until just combined.

2️⃣ Bake & Cool

  1. Spread batter into the tin and bake 25–30 mins until a skewer comes out clean.
  2. Cool 10 mins in tin, then transfer to a wire rack.

3️⃣ Make the Icing

  1. Beat butter until creamy. Gradually add icing sugar, then milk + coffee extract.

4️⃣ Decorate & Serve

  1. Spread icing over cooled cake. Let set 15 mins, then cut into squares.

💡 Pro Tips

🔹 For intense coffee flavor: Use espresso powder in the icing.
🔹 Room temp eggs prevent curdling – Cold eggs can split the batter.
🔹 Gluten-free? Use GF self-raising flour + ½ tsp xanthan gum.


❓ FAQs + Variations

1. Can I use butter instead of margarine?

✅ Yes! Unsalted butter works perfectly.

2. How do I store leftovers?

🍰 Room temp: Up to 3 days (cover loosely).
❄️ Freeze un-iced cake: Up to 1 month (thaw before icing).

3. No coffee extract?

☕ Mix 2 tsp instant coffee + 1 tbsp hot water (cool before using).

4. Can I make cupcakes?

🧁 Yes! Bake 18–20 mins at same temperature (makes ~15).

5. Too sweet?

🍫 Add 1 tbsp cocoa powder to the icing for balance.


🍽 Serving Suggestions

  • With a dollop of clotted cream
  • Dusted with cinnamon for warmth
  • Paired with espresso for coffee lovers

⏳ Time & Nutrition

Prep: 15 mins | Bake: 30 mins | Total: 45 mins
Calories: ~200/square | Servings: 12


🌟 Final Thoughts

This Coffee Fudge Traybake is a British classic—simple, elegant, and guaranteed to impress. Perfect for:

  • Afternoon tea parties
  • Bake sales
  • When you need a reliable “back pocket” dessert

A slice of comfort with every bite! ☕💛

(Tip: For decadence, drizzle with melted chocolate before serving!)

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