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Thomas The Tank Engine Birthday Cake Recipe

Thomas the Tank Engine has been delighting generations of little conductors for more than 79 years — and the beloved blue engine is still steaming ahead stronger than ever. Back in 2021, Australia’s own Bert Newton marked Thomas’s 75th milestone birthday by dressing as The Fat Controller and unveiling a giant celebratory cake. Now, you can bring the magic home and create your very own Thomas birthday cake to keep the kids smiling!

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Now you can make your own Thomas The Tank Engine Birthday cake at home and keep the kids happy!

Serves 25-40 people

INGREDIENTS
450g Butter
250g Dark Chocolate
400g Caster Sugar
450ml Hot Water
3/4 tsp Coffee
400g Plain Flour
3tsp Baking Powder
400g Caster Sugar
35g Cocoa Powder
3 Eggs
75ml vanilla extract

Thomas The Tank Engine with Burt Newton as the Fat Controller keeps kids amused

METHOD
1 Melt butter, chocolate, caster sugar, hot water and coffee in a large bowl over boiling water
2 Sift dry ingredients together
3 Add the dry ingredients to the wet base
4 Whisk the eggs and vanilla extract into the chocolate base and pour into a 12 inch square tray
5 Bake at 170 degrees Celsius

To shape into Thomas
1 Cut base in half to create two 6 x 12 inch rectangles
2 Using one rectangle, cut again to create two 6 x 6 inch squares
3 Using one 6 x 6 inch square cut a 4 inch circle
4 Layer square and circle on top of remaining 6 x 12 inch rectangle
5 Decorate face using icing or preferred toppings

Reference

Diagram for Thomas The Tank Engine Birthday cake

Watch how the giant Thomas cake was made below…

The Carousel thanks Thomas and Friends for this recipe.

Categories: Baking
Robyn Foyster: Robyn Foyster is a multi-award-winning journalist, media executive, and the owner and publisher of The Carousel, alongside the Women Love Network (which includes Women Love Wellness, Women Love Travel, and Women Love Tech). At the forefront of digital lifestyle and tech publishing, Robyn was named the 2025 Winner of the Samsung IT Journalism Award for Best Corporate Content and is a 2026 Lizzies Finalist. Voted one of B&T’s 30 Most Powerful Women In Media, she previously served as the Publisher and Editor-in-Chief of Australia’s three biggest flagship magazines—The Australian Women’s Weekly, Woman’s Day, and New Idea—and was a senior executive at the Seven Network. A sought-after speaker and an eight-year judge for the Telstra Business Awards, Robyn remains dedicated to championing women's voices across lifestyle, wellness, and technology.
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