Mary Berry Mars Bar Cake Recipe

Easy Mary Berry Mars Bar Cake Recipe: Sweet No-Bake Magic

Mars bar cake tempts dessert enthusiasts with its irresistible combination of sweet and crunchy textures.

Chocolate lovers often dream about decadent treats that blend nostalgic candy memories with homemade goodness.

The classic recipe transforms familiar ingredients into an extraordinary confection that sparks joy at first bite.

Each slice promises a delightful symphony of caramel, nougat, and creamy chocolate flavors.

Crisp rice cereal provides a satisfying crunch that elevates the entire dessert experience.

Professional bakers and home cooks appreciate how simple techniques can create such a magnificent treat.

This crowd-pleasing dessert guarantees smiles and requests for seconds: prepare to become a baking superstar.

How to Keep Mars Bar Cake Soft and Sweet

  • Freezer Method: Slice the cake into individual portions before freezing for convenient, grab-and-go treats. Wrap each piece tightly in plastic wrap, then place inside a freezer-safe container or resealable bag. Frozen Mars Bar Cake squares stay delectable for up to 3 months, perfect for satisfying sudden sweet cravings.
  • Room Temperature Strategy: Protect the cake's rich texture by storing in a cool, dark pantry using an airtight container with a tight-fitting lid. Keep away from heat sources like ovens or direct sunlight to prevent chocolate from softening or separating. Layer parchment paper between cake squares to stop them from fusing together.
  • Moisture Prevention Technique: Place a small piece of bread inside the storage container to absorb excess moisture and maintain the cake's crisp edges.

Switch It Up: Variations on Mars Bar Cake

  • Cosmic Caramel Crunch: Replace puffed rice with crispy cornflakes and sprinkle sea salt on top for an extra flavor punch. The added crunch creates a more textured dessert experience.
  • Nutty Chocolate Adventure: Incorporate chopped roasted almonds or peanuts into the cereal mixture for a protein-packed, crunchy transformation. The nuts add depth and a satisfying crunch to the original recipe.
  • Dark Chocolate Dream: Swap milk chocolate with rich dark chocolate for a more intense, less sweet topping. Drizzle some caramel sauce over the top to balance the dark chocolate's deep flavor profile.
  • Tropical Mars Explosion: Mix in some toasted coconut flakes and a handful of dried pineapple chunks for a tropical-inspired version. The additional ingredients bring a brightness and unexpected tropical flair to the classic Mars Bar Cake.

Our Take on Mary’s Chocolatey Creation

Chocolate-lovers rejoice!

Mary Berry’s Mars Bar Cake delivers pure nostalgic indulgence with its irresistible combination of crispy puffed rice and silky chocolate.

Simple ingredients merge into a spectacular no-bake dessert that promises instant gratification.

Sweet memories cascade through each crunchy square, transporting passionate bakers to childhood kitchen moments.

Zero complicated techniques mean anyone can master this delightful treat.

Readers craving a quick, impressive dessert need look no further than this foolproof recipe.

Share this delectable discovery, comment with excitement, and spread chocolate joy across social media platforms!

Why Everyone Talks About Mary’s Mars Bar Cake

Why Everyone Talks About Mary’s Mars Bar Cake
  • Indulge in Effortless Decadence: This no-bake Mars Bar Cake delivers maximum flavor with minimal kitchen effort, making it a dream for both novice and experienced home bakers.
  • Celebrate Texture Perfection: Experience a delightful contrast between the crispy puffed rice, smooth melted chocolate, and gooey Mars Bar mixture that creates an irresistible mouthfeel in every single bite.
  • Whip Up Quick Comfort: With just 1 hour 50 minutes total time and simple ingredients, this recipe transforms everyday treats into a nostalgic dessert that satisfies sweet cravings instantly without complicated techniques or extensive baking skills.

What You’ll Need for the Mars Bar Treat

Base Ingredients:
  • Mars Bars: Provides rich caramel and chocolate flavor, choose fresh bars with smooth texture.
  • Butter: Helps bind ingredients and adds creamy richness, use unsalted for better control of sweetness.
  • Golden Syrup: Creates smooth consistency and adds subtle sweetness, classic British ingredient.
  • Puffed Rice Cereal: Gives crunchy texture and structure to the cake, ensures light and crispy base.
Chocolate Topping:
  • Milk Chocolate: Creates smooth, glossy covering for the cake, select good quality chocolate for best results.
Optional Garnish:
  • None specified in the original recipe.

Easy Guide to Mary Berry’s Gooey Mars Bar Cake

Easy Guide to Mary Berry’s Gooey Mars Bar Cake

Step 1: Prepare Baking Pan

Grease a 9-inch square cake tin and line it completely with parchment paper, ensuring the paper covers the bottom and sides for easy removal.

Step 2: Chop Mars Bars

Cut 4 Mars Bars into small, roughly 1/2-inch pieces to help them melt evenly and create a smooth mixture.

Step 3: Create Chocolate Base

In a large saucepan, combine:
  • Unsalted butter
  • Golden syrup
  • Chopped Mars Bar pieces

Melt ingredients over low heat, stirring constantly until the mixture becomes completely smooth and glossy.

Step 4: Mix Cereal

Remove saucepan from heat and fold in of puffed rice cereal, ensuring every piece is thoroughly coated with the chocolate mixture.

Step 5: Press Into Pan

Transfer the mixture to the prepared cake tin, using a spatula or the back of a spoon to press down firmly and create an even, compact layer.

Step 6: Add Chocolate Topping

Melt of milk chocolate chips using either:
  • Microwave method: Heat in 30-second intervals, stirring between each
  • Double boiler method: Melt over simmering water

Pour melted chocolate evenly over the cereal base, using a spatula to spread smoothly.

Step 7: Chill and Set

Refrigerate the cake for 2-3 hours, or until the chocolate topping is completely firm and set.

Step 8: Slice and Serve

Remove cake from tin using parchment paper, cut into 16 square pieces, and serve chilled.

Top Tips for Mars Bar Cake Success

Top Tips for Mars Bar Cake Success
  • Melt Smoothly: Chop Mars Bars into tiny uniform pieces for faster, even melting in the saucepan.
  • Coat Thoroughly: Stir cereal gently but completely to ensure every crisp morsel gets covered with gooey chocolate mixture.
  • Chill Strategically: Refrigerate cake longer than recommended to create a firm, clean-cutting texture that holds its shape perfectly.
  • Slice Precisely: Use a sharp knife dipped in hot water for crisp, clean edges when cutting into petite squares.
  • Clean Effortlessly: Select a non-stick pan to minimize sticky residue and simplify post-baking cleanup without extra scrubbing.
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Mary Berry Mars Bar Cake Recipe

Mary Berry Mars Bar Cake Recipe


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4.7 from 17 reviews

  • Total Time: 1 hour 10 minutes
  • Yield: 12 1x

Description

Mars Bar Cake brings British dessert magic to chocolate lovers’ dreams. Mary Berry’s nostalgic recipe combines rich chocolate, gooey caramel, and crisp rice cereal, creating an irresistible no-bake treat you’ll crave again and again.


Ingredients

Scale

Main Ingredients:

  • 200g (7 ounces) milk chocolate
  • 150g (5.3 ounces) butter
  • 100g (3.5 ounces) puffed rice cereal
  • 4 Mars Bars

Binding/Sweetening Ingredients:

  • 3 tablespoons golden syrup

Optional Topping:

(none specified in original recipe)


Instructions

  1. Prepare a 20 centimeters (8 inches) square baking pan by generously coating the interior with butter and lining the bottom and sides with parchment paper, ensuring complete coverage for easy removal.
  2. Using a sharp kitchen knife, carefully dice the Mars Bars into uniform small chunks to facilitate even melting and distribution throughout the mixture.
  3. Transfer the chopped Mars Bars, unsalted butter, and golden syrup into a heavy-bottomed saucepan, placing it over gentle, low heat to prevent scorching.
  4. Stir the ingredients continuously with a silicone spatula until the mixture transforms into a smooth, glossy liquid with no visible lumps, maintaining a consistent temperature.
  5. Remove the saucepan from the heat source and immediately introduce the crispy rice cereal, gently folding the ingredients together to ensure each grain is thoroughly coated with the caramel-chocolate mixture.
  6. Transfer the sticky cereal blend into the prepared pan, using the spatula or clean hands to press the mixture firmly and create an even, compact layer with a smooth surface.
  7. Carefully melt the milk chocolate using a double boiler or microwave in 30-second intervals, stirring between each interval to prevent burning.
  8. Pour the molten chocolate over the cereal base, tilting the pan to create an uniform layer that completely covers the surface.
  9. Place the pan in the refrigerator for approximately 2 to 3 hours, or until the chocolate sets completely and becomes firm to the touch.
  10. Remove from refrigerator, lift the dessert out using the parchment paper, and slice into neat, bite-sized squares using a sharp knife.

Notes

  • Chill the slice thoroughly to achieve a firm, melt-in-your-mouth texture that transforms simple ingredients into a decadent dessert.
  • Customize your creation by experimenting with different chocolate candy bars for unique flavor combinations that surprise and delight.
  • Budget-friendly treat uses readily available supermarket ingredients, making it accessible to home cooks of all skill levels.
  • Select full-fat ingredients to guarantee a rich, luxurious taste that elevates this simple no-bake slice from ordinary to extraordinary.
  • Slice cleanly with a sharp knife to reveal beautiful layers of crispy cereal and smooth chocolate, creating a visually stunning dessert that’s as impressive as it is delicious.
  • Prep Time: 30 minutes
  • Cook Time: 40 minutes
  • Category: Desserts, Snacks
  • Method: Melting
  • Cuisine: American

Nutrition

  • Serving Size: 12
  • Calories: 269
  • Sugar: 17g
  • Sodium: 61mg
  • Fat: 14g
  • Saturated Fat: 8g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Carbohydrates: 33g
  • Fiber: 1g
  • Protein: 2g
  • Cholesterol: 21mg
Isabella Rodriguez

Isabella Rodriguez

Co-Founder & Content Creator

Expertise

Pastry Arts and Dessert Innovation, French and European Baking Techniques, Food Writing and Blogging, Culinary Event Planning

Education

Le Cordon Bleu Paris

  • Diploma: Grand Diplôme®
  • Focus: Intensive training in classic French cuisine and pastry techniques, combining the Diplôme de Cuisine and Diplôme de Pâtisserie.

Isabella Rodriguez is the co-founder and pastry chef at wd-50.com. She studied at Le Cordon Bleu in Paris, where she earned the Grand Diplôme®, a top award in both cooking and baking. After working in fancy bakeries and as a personal pastry chef, Isabella now shares her love for desserts in an easy way for home bakers to enjoy.

At wd-50.com, Isabella creates recipes for cookies, cakes, tarts, and more, always with clear steps and helpful tips. She believes baking should be fun, not stressful, and she hopes her recipes bring joy to your kitchen and smiles to your table.

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