Mars Bar Cake Recipe

Indulgent Mars Bar Cake Recipe: Chocolatey Heaven in Every Bite

Chocolatey mars bar cake beckons sweet-toothed adventurers with its irresistible charm.

Rich layers of decadent goodness promise pure indulgence for dessert enthusiasts.

Creamy caramel and smooth chocolate unite in a delightful symphony of flavors.

Each bite carries nostalgic memories of childhood treats blended with sophisticated baking techniques.

Crisp edges and gooey centers create a textural masterpiece that melts effortlessly on your tongue.

Minimal ingredients and simple steps make this recipe accessible for novice bakers seeking delectable results.

Let’s craft a dessert that turns ordinary moments into extraordinary culinary celebrations.

Why Nigella Mars Bar Cake Is A Sweet Crowd-Pleaser

Why Nigella Mars Bar Cake Is A Sweet Crowd-Pleaser
  • Devour Delightful Simplicity: This recipe requires minimal cooking skills, making it perfect for beginners or those who want a stress-free dessert experience.
  • Create No-Bake Magic: Skip the oven and enjoy a quick treat that comes together with just a few simple steps, ideal for busy home cooks looking for a fast sweet solution.
  • Celebrate Crowd-Pleasing Treat: Packed with beloved chocolate and cereal, this Mars Bar Cake appeals to both kids and adults, making it a fantastic option for gatherings, parties, or casual family dessert time.
  • Customize with Ease: Feel free to swap ingredients or add personal touches like extra chocolate chips or sprinkles to make this recipe uniquely yours, encouraging creativity in the kitchen.

What You’ll Need For Nigella Mars Bar Cake

Base Ingredients:
  • Mars Bars: Classic chocolate bars that provide rich caramel and nougat flavor to the cake.
  • Butter: Helps bind ingredients and adds a smooth, creamy texture.
  • Golden Syrup: Creates a sweet, sticky consistency that helps hold the cake together.
Dry Ingredients:
  • Digestive Biscuits, Rich Tea Biscuits: Provide a crunchy base and help create structure for the cake.
  • Rice Krispies: Add a delightful crispy texture to the dessert.
Topping Ingredients:
  • Chocolate: Melted chocolate creates a glossy, decadent top layer that complements the cake's rich flavor.

Simple Guide To Make Nigella Mars Bar Cake

Simple Guide To Make Nigella Mars Bar Cake

Step 1: Prepare Your Baking Station

Grab a saucepan and set it over low heat. Line a rectangular baking tin with parchment paper, ensuring the sides are fully covered for easy removal later.

Step 2: Create Smooth Caramel Base

Gently melt butter and golden syrup together, stirring continuously until the mixture becomes a smooth, glossy liquid. The low heat prevents burning and maintains a silky texture.

Step 3: Combine Crunchy Elements

Remove the pan from heat and add:
  • Crushed digestive biscuits
  • Crispy Rice Krispies

Stir until all dry ingredients are evenly coated with the buttery mixture.

Step 4: Incorporate Chocolate Chunks

Finely chop Mars Bars and fold them delicately into the mixture. The heat will help melt the chocolate and caramel, creating pockets of gooey goodness throughout the cake.

Step 5: Press and Shape

Transfer the mixture into the prepared tin. Use the back of a spoon or spatula to press down firmly, creating an even, compact layer. Ensure the surface is smooth and well-distributed.

Step 6: Add Chocolate Topping

Melt chocolate in a double boiler or microwave, stirring until completely smooth. Pour the melted chocolate over the cake, tilting the tin to create an even coating.

Step 7: Chill and Set

Place the tin in the refrigerator for approximately two hours. The cake will firm up and develop a satisfying snap when cut.

Step 8: Slice and Serve

Remove from the refrigerator, lift out using the parchment paper, and slice into delectable squares. Enjoy the perfect balance of crunch, chocolate, and caramel.

Smart Tips For Nigella Mars Bar Cake

  • Gentle Melting Magic: Use low heat when melting butter and syrup to prevent burning and ensure smooth consistency.
  • Fold with Care: Mix chopped Mars Bars gently into the mixture to maintain chocolate chunks and prevent complete melting.
  • Line for Success: Use parchment paper with overhanging edges for easy removal and clean slicing of the cake.
  • Chocolate Topping Trick: Let melted chocolate cool slightly before pouring to create a smooth, even layer on top.
  • Chill Perfectly: Refrigerate for exactly 2 hours to achieve the ideal set texture that's firm yet slightly soft.

Fun Ways To Mix Up Nigella Mars Bar Cake

  • Healthier Chocolate Bar: Replace Mars Bars with protein bars and use dark chocolate for a lower-sugar version.
  • Vegan Chocolate Slice: Swap butter with coconut oil, use vegan chocolate, and replace Mars Bars with nut-based chocolate alternatives.
  • Gluten-Free Crunch Bars: Substitute regular biscuits with gluten-free graham crackers or almond flour cookies.
  • Nutty Chocolate Treat: Add chopped almonds or peanuts for extra crunch and protein boost.

Best Pairings With Nigella Mars Bar Cake

  • Create Chocolate-Coffee Harmony: Pair this decadent Mars Bar Cake with a rich, smooth espresso or cappuccino to balance the sweetness and enhance the chocolate notes.
  • Match with Creamy Vanilla Delight: Serve alongside a scoop of vanilla ice cream to complement the caramel and chocolate flavors, creating a luxurious dessert experience.
  • Elevate with Fruity Contrast: Accompany the cake with fresh raspberries or strawberries to cut through the richness and add a tangy, refreshing element to each bite.
  • Complement with Caramel Liqueur: Enjoy a small glass of caramel-flavored liqueur like Baileys or Butterscotch Schnapps to amplify the cake's sweet, indulgent profile.

How To Store Nigella Mars Bar Cake Right

  • Store leftovers in a sealed container for up to 5 days, keeping the cake fresh and preventing it from absorbing other flavors in the fridge.
  • Wrap slices individually in plastic wrap, then place in a freezer-safe container. Freeze for up to 3 months for later enjoyment.
  • Transfer frozen cake to the refrigerator and let it slowly thaw for 2-3 hours before serving, maintaining its texture and flavor.
  • Remove from the refrigerator 15-20 minutes before eating to soften slightly and enhance the chocolate's rich taste.

FAQs About Nigella Mars Bar Cake

  • What are Mars Bars in this recipe?

They’re chocolate bars with caramel and nougat, providing rich flavor and sweetness to the cake’s texture.

  • Can I use different biscuits if I don't have the original type?

Yes, digestive biscuits or graham crackers work perfectly as alternatives in this no-bake recipe.

  • Is this recipe suitable for kids to help make?

Absolutely! It’s a simple, fun recipe where children can help with mixing ingredients and spreading the mixture in the tin.

  • How do I know when the chocolate topping is ready?

Melt the chocolate until it’s smooth and completely liquid, then pour evenly over the cake base before chilling.

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Mars Bar Cake Recipe

Mars Bar Cake Recipe


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4.7 from 28 reviews

  • Total Time: 2 hours 20 minutes
  • Yield: 8 1x

Description

Mars Bar Cake delivers pure chocolate bliss with layers of caramel, nougat, and rich chocolate. Chocolate enthusiasts will savor each indulgent bite, discovering a heavenly dessert that promises pure sweet satisfaction.


Ingredients

Scale

Main Ingredients:

  • 6 Mars Bars
  • 200g digestive biscuits
  • 100g Rice Krispies
  • 300g milk chocolate

Binding Ingredients:

  • 150g (5.3 ounces) unsalted butter
  • 2 tablespoons golden syrup

Finishing Ingredients:

  • None

Instructions

  1. Gently melt butter and golden syrup in a saucepan over low heat until completely combined and smooth.
  2. Remove from heat and incorporate crushed biscuits and Rice Krispies, stirring until evenly coated with the buttery mixture.
  3. Chop Mars Bars into small pieces and delicately fold them into the biscuit mixture, ensuring even distribution.
  4. Transfer the mixture to a parchment-lined rectangular baking tin, using the back of a spoon to press and compact the mixture firmly and evenly.
  5. Melt chocolate in a heatproof bowl over a pot of simmering water or using short microwave bursts, stirring until glossy and smooth.
  6. Pour the melted chocolate over the compressed base, tilting the tin to create an even layer that covers the entire surface.
  7. Refrigerate for approximately 2 hours or until the chocolate topping has fully set and hardened.
  8. Remove from the refrigerator, lift out using the parchment paper, and slice into neat squares or rectangles.
  9. Serve chilled and enjoy the rich, decadent treat.

Notes

  • Gentle melting prevents burning the butter and syrup, ensuring a smooth base for the cake.
  • Use a low heat setting and stir continuously to maintain an even temperature and prevent scorching.
  • Chop Mars Bars into small, uniform pieces for consistent chocolate distribution throughout the mixture.
  • Line the tin with parchment paper for easy removal and clean slicing of the cake.
  • Prep Time: 15 minutes
  • Cook Time: 5 minutes
  • Category: Desserts
  • Method: Chilling
  • Cuisine: British

Nutrition

  • Serving Size: 8
  • Calories: 434
  • Sugar: 38g
  • Sodium: 75mg
  • Fat: 25g
  • Saturated Fat: 15g
  • Unsaturated Fat: 8g
  • Trans Fat: 0.3g
  • Carbohydrates: 48g
  • Fiber: 1.5g
  • Protein: 4g
  • Cholesterol: 30mg
Jackson Reid

Jackson Reid

Founder & Recipe Developer

Expertise

  • Single-serving recipe development
  • Global flavor fusion
  • Minimalist cooking techniques
  • Food photography and styling

Education

Holyoke Community College – HCC-MGM Culinary Arts Institute
Certificate in Culinary Arts
Focus: Farm-to-table cuisine, sustainable cooking practices, and hands-on kitchen training


Jackson’s love for cooking began one dish at a time. After earning his Culinary Arts Certificate from Holyoke Community College’s HCC-MGM Culinary Arts Institute, he focused on what mattered most: creating recipes that are simple to follow and full of flavor.
At 10 Below Ice Cream, Jackson brings together global influences and a less-is-more approach. His recipes reflect his belief that good food doesn’t need to be complicated; it just needs to make sense, taste great, and feel right.
When he’s not testing ingredients or adjusting seasonings, you’ll find him hiking near Asheville, exploring local markets, or chasing the best light for food photos.

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