The Mars Bar Cake Chocolate Tray Bake Easy Delight Recipe is a classic no-bake dessert loved for its rich, gooey caramel, crunchy cereal base, and smooth chocolate topping. Perfect for parties, family treats, or a quick indulgence, this easy-to-make tray bake requires minimal ingredients and no oven. If you’re looking for a delicious, fuss-free chocolate dessert that combines sweetness and texture, this Mars Bar chocolate tray bake is the ultimate choice.
To start, you’ll need chopped Mars Bars, unsalted butter, golden syrup, crispy cereal like Rice Krispies, and milk chocolate for the topping. Begin by melting the Mars Bars with butter and golden syrup over low heat to create a glossy, smooth caramel chocolate mixture. Once melted, fold in the cereal to achieve the perfect chewy-crunchy texture. Transfer the mixture into a lined baking tray and press it firmly to form an even base.
Next, melt the milk chocolate and pour it evenly over the chilled base for a rich chocolate layer. Let the tray bake chill in the refrigerator for at least two hours, ensuring it sets perfectly. For easy slicing, use a warm knife between cuts. This tray bake can be stored in an airtight container in the fridge for up to a week or frozen for longer storage.
With its indulgent chocolate flavor, chewy caramel pockets, and crispy base, this Mars Bar Cake Chocolate Tray Bake is a crowd-pleasing dessert that’s simple yet impressive. For a step-by-step guide and complete recipe, see the instructions given below.

Why This Mars Bar Tray Bake Recipe Works
Before we dive into the step-by-step method, let’s break down why this recipe is a favorite:
- No-Bake and Beginner-Friendly – Ideal for new bakers or busy families.
- Indulgent Texture – Chewy caramel, crispy cereal, and smooth chocolate create an addictive bite.
- Customizable – Add nuts, marshmallows, or dark chocolate to suit your taste.
Whether for a celebration or cozy night in, this tray bake is guaranteed to impress.
Ingredients You’ll Need

| Ingredient | Purpose |
| Mars Bars (chopped) | Sweet caramel and chocolate base |
| Unsalted Butter | Adds richness and binds the mixture |
| Golden Syrup | Provides chewiness and sweetness |
| Rice Krispies / Crispy Cereal | Adds crunch |
| Milk Chocolate (melted) | Smooth chocolate topping |
| Optional Add-Ins | Sea salt flakes, nuts, marshmallows |
Pro Tip: Use full-fat chocolate and golden syrup for the best gooey and rich texture.
Step-by-Step Recipe
Follow these steps to make the perfect Mars Bar tray bake:
1. Prep Your Tray
Line a square baking tin (about 20cm) with parchment paper to make it easy to lift and cut later.
2. Melt the Mars Bar Base
Melt chopped Mars Bars with butter and golden syrup over very low heat. Stir frequently to avoid scorching and ensure a smooth mixture.
Expert Tip: Add a splash more syrup if the mixture seems too thick. It should be glossy and easy to stir.
3. Add the Crunch
Remove from heat and fold in the crispy cereal, ensuring every piece is coated in the chocolate caramel mixture.
4. Press and Chill
Transfer the mixture to your prepared tin and press firmly with a spatula or the back of a spoon. Chill in the fridge for 30–60 minutes to set.
5. Melt and Spread the Chocolate
Melt milk chocolate and pour it over the chilled base. Smooth it out evenly.
Pro Tip: Swirl white chocolate on top for a visually stunning finish.
6. Chill Until Firm
Refrigerate for at least 2 hours until fully set. This ensures clean slicing and perfect squares.
Pro Tips for Perfect Texture
- Warm Knife Slicing: Dip your knife in hot water between cuts for clean slices.
- Crunch Balance: Too much cereal can make the base crumbly, too little makes it overly gooey.
- Flavor Boost: Sprinkle a pinch of sea salt on top to balance the sweetness.
Serving and Storage Guide
Serving: Serve chilled for a firm bite or at room temperature for a softer, creamier texture. Pair with vanilla ice cream, fresh berries, or whipped cream.
Storage: Store in an airtight container in the fridge for up to 1 week. You can also freeze individual portions for up to 3 months.
Variations to Try

- Rocky Road Twist: Add mini marshmallows and nuts for extra texture.
- Dark Chocolate Upgrade: Use dark chocolate for a richer top layer.
- Salted Caramel Drizzle: Add caramel sauce and sea salt for a gourmet version.
FAQs About Mars Bar Cake Chocolate Tray Bake
- Is this recipe no-bake?
Yes, it sets in the fridge and requires no oven. - Can I use other cereal instead of Rice Krispies?
Yes, any light, puffed cereal will work to provide crunch. - Why is my base crumbly?
Not pressing it firmly enough or using too little syrup or butter can cause crumbliness. - Can I use dark chocolate instead of milk chocolate?
Absolutely, dark chocolate adds depth and less sweetness. - How long should I chill the tray bake?
At least 2 hours to ensure the chocolate and base are fully set. - Why won’t the Mars Bars melt smoothly?
Mars Bars contain caramel and nougat. Low heat and patience are key to smooth melting. - Can I double the recipe?
Yes, use a larger tray and increase chilling time accordingly. - How do I get clean slices?
Use a warm knife dipped in hot water between cuts. - Is golden syrup necessary?
It provides chewiness and sweetness, but maple syrup can be a substitute. - Can I freeze this tray bake?
Yes, freeze sliced portions individually for up to 3 months.
Final Thoughts
The Mars Bar Cake Chocolate Tray Bake is more than a dessert — it’s a comfort classic. Easy to make, fun to customize, and guaranteed to delight, this recipe is perfect for parties, bake sales, or an indulgent treat at home.
Try it as written or experiment with variations to create your own signature tray bake. Once you master it, this easy delight recipe will become a staple in your dessert repertoire.
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