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Candy Bar Cake

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Candy Bar Cake is a rich chocolate dessert baked at 350°F for 35 to 40 minutes. It results in a soft, moist sponge that acts as a base for a sweet caramel soak.

This recipe transforms a simple chocolate sheet cake into a decadent treat using chopped candy bars and condensed milk. For a reliable base, you can follow this decadent homemade chocolate cake recipe. It is an ideal choice for a celebration reward when you want something impressive but easy to assemble.

I often make this for family gatherings because it provides total sweet satisfaction with very little stress.

Sliced candy bar cake on a white marble surface with natural side lighting overhead view.
A rich and indulgent candy bar cake ready to serve.
8.5tHOMAS Score
Candy Bar Cake
Candy Bar Cake is a rich, easy dessert with a moist base that carries its sweet toppings well, making it a practical choice for simple home baking, as Chef Thomas often prefers.
Taste
9
Ease of Prep
8
Texture
9
Ingredient Accessibility
8
Positives
  • Moist sponge that absorbs the caramel and milk nicely
  • Flexible recipe that works with different candy bar choices
  • Visually appealing with minimal decoration effort
Negatives
  • Can be overly sweet if not portioned carefully
  • Slightly messy during assembly due to toppings

Why You’ll Love Candy Bar Cake

I have made many cakes in my forty years of cooking, but this Candy Bar Cake remains a favorite for several reasons. It reminds me of the simple desserts my mother made when I was growing up.

There is no need for fancy piping or difficult techniques here. You get a lot of sweet satisfaction from the layers of caramel and chocolate without spending hours at the counter.

My grandkids always ask for this when they visit because they love helping chop the candy bars. It is a reliable recipe that turns out right every single time.

I often tell people that a good cake does not have to be hard to make. This one proves that point by using basic pantry staples to create something that feels like a big reward, much like this gluten free French butter cake recipe.

Chef Thomas believes that the best recipes are the ones that let you focus on the people eating the food rather than the stress of the kitchen.

Get The Candy Bar Cake Recipe

Slices of rich candy bar cake served on a clean white marble countertop with natural light.
Candy Bar Cake
Chef Thomas

Candy Bar Cake

This rich Candy Bar Cake combines your favorite sweets with moist layers. Read this before you decide on a party treat for your next big celebration.
Total Time 2 minutes
Servings: 16 servings
Course: Dessert
Cuisine: American
Calories: 535

Ingredients
  

Ingredients
  • 2 cup s Gold Medal™ all-purpose flour
  • 1 1/2 teaspoon s baking soda
  • 1/2 teaspoon salt
  • 1 1/2 cup s sugar
  • 1/2 cup butter or margarine, softened
  • 3 eggs
  • 1 teaspoon vanilla
  • 4 ounce s unsweetened baking chocolate, melted and cooled
  • 1 cup buttermilk
  • 1 can (14 ounces) sweetened condensed milk
  • 1/2 cup caramel topping
  • 1 bag (13.3 ounces) fun-sized chocolate-coated nougat and peanut candy bars, chopped (about 3 cups)
  • 1/2 cup from 1 tub (16 oz) Betty Crocker™ Rich & Creamy Chocolate Frosting

Equipment

  • Pan
  • Bowl
  • Oven

Instructions
 

Instructions
  1. Heat oven to 350°F. Grease bottom and sides of rectangular pan, 13x9x2 inches, with shortening; lightly flour. In medium bowl, mix flour, baking soda and salt; set aside.
  2. In large bowl, beat sugar and butter with electric mixer on medium speed, scraping bowl occasionally, until fluffy. Beat in eggs, one at a time, until smooth and blended. Add vanilla. Stir in melted chocolate. Gradually beat in flour mixture alternately with buttermilk, beating after each addition until smooth. Pour into pan.
  3. Bake 35 to 40 minutes or until toothpick inserted in center of cake comes out clean. Immediately poke top of cake all over with toothpick or fork. Mix condensed milk and caramel topping; spoon over warm cake, allowing it to soak in. Sprinkle chopped candy over cake. Place frosting in small microwavable bowl. Microwave uncovered on High 20 to 30 seconds or until pourable; drizzle over cake. Cool cake about 1 1/2 hours before serving.

Ingredients and Substitutions

What You Need for Candy Bar Cake

IngredientAmount
Gold Medal all-purpose flour2 cups
Baking soda1 1/2 teaspoons
Salt1/2 teaspoon
Sugar1 1/2 cups
Butter or margarine, softened1/2 cup
Eggs3
Vanilla1 teaspoon
Unsweetened baking chocolate, melted and cooled4 ounces
Buttermilk1 cup
Sweetened condensed milk1 can (14 ounces)
Caramel topping1/2 cup
Fun-sized chocolate-coated nougat and peanut candy bars, chopped1 bag (13.3 ounces)
Betty Crocker Rich & Creamy Chocolate Frosting1/2 cup

Make sure your butter is truly softened at room temperature before you start mixing. This ensures a smooth batter that holds air correctly.

Substitutions

If this happensTry this solution
The cake is too dryCheck oven temperature and bake for five minutes less next time
The topping pools on topPoke deeper holes into the warm cake before pouring the milk mixture
The candy bars melt too fastLet the cake cool for ten minutes before adding the chopped bars
The batter looks lumpyUse room temperature eggs and buttermilk to keep the fats from seizing
The frosting won’t drizzleAdd a teaspoon of milk before microwaving for ten seconds

I find that using a kitchen thermometer is the best way to know if your oven is running hot. A dry cake is usually just an overbaked cake.

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How To Make Candy Bar Cake

Let’s Cook: Candy Bar Cake
Preparation
Prepare the Pan and Dry Ingredients. Heat your oven to 350°F and grease a 13x9x2 inch rectangular pan with shortening before dusting it lightly with flour.
In a medium bowl, whisk the flour, baking soda, and salt together and set it aside for later.
Chef Thomas’s Tip: Using shortening and flour instead of just spray helps the edges of the cake release cleanly from the pan.
Mixing
Mix the Cake Batter. In a large bowl, beat the sugar and softened butter with an electric mixer on medium speed until the mixture looks fluffy.
Beat in the eggs one at a time until the batter is smooth and blended. Stir in the melted chocolate and vanilla, then gradually beat in the flour mixture while alternating with the buttermilk.
Chef Thomas’s Tip: Beating the eggs one by one helps maintain the structure of the cake so it does not sink in the middle.
Finishing
Bake and Apply Toppings. Pour the batter into the pan and bake for 35 to 40 minutes until a toothpick comes out clean. Immediately poke holes all over the top of the warm cake with a fork or toothpick.
Mix the condensed milk and caramel topping together and spoon it over the cake so it soaks in. Sprinkle the chopped candy over the top, then drizzle with the melted frosting.
Chef Thomas’s Tip: Use the handle of a wooden spoon if you prefer larger pockets of caramel inside the cake sponge.

Tools I Used for Candy Bar Cake

I rely on a few basic tools to get this cake right every time. Having the right pan size ensures the topping does not overflow during the soaking process.

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Pro Tips & Troubleshooting

Tips From Chef Thomas

Melt your chocolate first so it has time to cool before you add it to the butter and sugar mixture
Chop the candy bars into different sizes to get both crunch and small bites of chocolate in every forkful
Always poke the holes while the cake is hot so the caramel and milk can travel all the way to the bottom
Let the cake sit for the full 90 minutes because the texture improves as the soak sets

Common Mistakes to Avoid

The butter and eggs provide the fat and structure needed for a tender crumb that does not crumble.

Buttermilk reacts with the baking soda to help the cake rise while keeping the interior moist.

Unsweetened chocolate balances the sugary caramel topping so the dessert is not too sweet.

Heat at 350 degrees sets the edges perfectly while allowing the center to cook through without drying.

Fresh slice of Candy Bar Cake on white marble with soft natural lighting.
A perfectly sliced serving of homemade Candy Bar Cake.

Why Candy Bar Cake is the Ultimate Reward

In my kitchen, I see dessert as a way to connect with the people I love. This cake is more than just a sweet treat; it is a way to celebrate small wins.

Whether it is a good grade or a hard week at work, having a reward like this waiting on the counter makes a difference.

I have taught my children that cooking for someone is a way to show you care. We often spend Sunday afternoons chopping the candy and mixing the batter together.

These moments are what make a house feel like a home. Taking the time to bake from scratch, even with simple ingredients, shows that you value the people you are feeding, much like this homemade fresh peach crisp recipe.

This recipe has been a part of our family traditions for a long time and I hope it becomes a part of yours too.

The Science of Candy Bar Cake

Baking soda requires an acid like buttermilk to release carbon dioxide and create lift.

Creaming butter and sugar creates a network of air pockets that expand during baking, a principle also used in this chocolate cobbler recipe.

The high sugar content in the soak acts as a humectant to keep the cake soft for several days.

The protein in the eggs coagulates to form the walls of the cake cells.

Variations and Adjustments for Candy Bar Cake Ahead

You can swap the peanut and nougat bars for caramel and biscuit bars or even peanut butter cups. If you want more texture, add a handful of toasted pecans or walnuts on top with the candy.

Some people prefer a white chocolate drizzle instead of the dark chocolate frosting. You can also use a different flavor of cake base, like yellow or marble, though chocolate is the classic choice, similar to the versatility seen in these funnel cake bites variations.

Storage & Make-Ahead

Store any leftover cake in an airtight container in the refrigerator for up to five days. The condensed milk and caramel stay fresh longer when kept cold, similar to storage methods used for this Kentucky butter cake recipe.

You can freeze individual slices by wrapping them tightly in plastic wrap and foil for up to three months. To serve from the freezer, let the slice thaw in the refrigerator overnight.

Vertical infographic showing recipe steps and ingredients for Candy Bar Cake.
Step-by-step visual guide for making Candy Bar Cake.

FAQ About Candy Bar Cake



.

Can I use different candy bars?

Yes, any chocolate-coated bar with caramel or nuts works well for the topping.

Do I have to use buttermilk?

Buttermilk provides the best texture, but you can use whole milk mixed with a teaspoon of lemon juice as a substitute.

Can I make this in a different pan?

A 9×13 pan is best for the soak, but you can use two 8-inch rounds if you adjust the baking time to about 25 minutes.

How do I store the leftovers?

Keep the cake in the refrigerator because of the condensed milk and caramel topping

Final Thoughts on Candy Bar Cake

When you need a celebration reward, this Candy Bar Cake is the best choice I know. It brings together the comfort of a homemade sponge with the familiar crunch of your favorite chocolate bars.

It is the kind of recipe that stays in a family for years because it is easy to remember and even easier to eat. I have seen it disappear at church potlucks and birthday parties alike.

You do not need to be a professional to get a great result here. Just follow the steps and let the cake soak up all that goodness, much like these easy funnel cake bites.

It is a simple pleasure that makes any day feel a little more special. I hope your family enjoys it as much as mine does.

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About CHEF THOMAS

Chef Thomas, recipe developer and home cooking expert

My name is Chef Thomas, creator and owner of Tomatillo Recipes. As a classically trained chef with over 40 years of experience, I develop and test time-tested tomatillo recipes and share practical chef tips to help you create flavorful, reliable meals in your home kitchen.

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