Birthday Cake Fudge
When it comes to celebrations, nothing quite compares to the joy of a birthday, and what better way to sweeten the day than with a delightful treat like Birthday Cake Fudge? This creamy, colorful fudge is not only a feast for the eyes but also a delightful burst of flavor that captures the essence of a classic birthday cake in every bite. With its rich white chocolate base and festive sprinkles, this fudge is perfect for sharing at parties or enjoying as a sweet snack throughout the week. Let’s dive into this easy-to-make recipe that will surely become a favorite!
What Makes This Recipe Special

There’s something truly magical about Birthday Cake Fudge that goes beyond its vibrant appearance. The combination of smooth white chocolate and the nostalgic flavor of yellow cake mix creates a unique dessert that’s both indulgent and comforting. This fudge is incredibly versatile and can be tailored to fit any celebration or personal preference. Plus, it’s a no-bake treat, making it perfect for those hot summer days when you want to avoid turning on the oven. With just a handful of ingredients and minimal effort, you can create a beautiful dessert that’s bound to impress friends and family.
Ingredient Breakdown
To make this delightful Birthday Cake Fudge, you will need the following ingredients:
- 1 (14-ounce) can sweetened condensed milk – This is the base of our fudge, providing creaminess and sweetness.
- 3 cups (410g) white chocolate chips – The star of the recipe, lending its rich flavor and smooth texture.
- ½ cup (65g) dry yellow cake mix – This ingredient gives the fudge its signature birthday cake flavor.
- 1 teaspoon vanilla extract – Enhances the overall flavor profile and adds warmth.
- Pinch of salt – Balances the sweetness and enhances the flavors.
- ¾ cup (41g) jimmies sprinkles, plus more for topping – Adds a fun and festive touch, making every bite look like a celebration.
Essential Tools for Success
Before you get started, make sure you have the right tools on hand:
- Medium saucepan – For melting the chocolate and combining the ingredients.
- Rubber spatula – Ideal for mixing and scraping down the sides of the pan.
- 9-inch square baking pan – A perfect size for setting the fudge.
- Parchment paper – Helps with easy removal of the fudge once it’s set.
- Sharp knife – For cutting the fudge into bite-sized pieces.
Birthday Cake Fudge Made Stepwise

Step 1: Prepare Your Pan
Line a 9-inch square baking pan with parchment paper, allowing some overhang on the sides. This will make it easier to lift the fudge out once it has set.
Step 2: Melt the Chocolate
In a medium saucepan over low heat, combine the white chocolate chips and the sweetened condensed milk. Stir continuously until the chocolate is completely melted and the mixture is smooth.
Step 3: Mix in the Dry Ingredients
Remove the saucepan from heat and stir in the dry yellow cake mix, vanilla extract, and a pinch of salt. Mix until everything is well combined and there are no lumps from the cake mix.
Step 4: Add the Sprinkles
Fold in the jimmies sprinkles, reserving a few for topping the fudge later. Ensure the sprinkles are evenly distributed throughout the mixture.
Step 5: Transfer to the Pan
Pour the fudge mixture into the prepared baking pan. Use a spatula to spread it evenly and smooth the top.
Step 6: Add Extra Sprinkles
Sprinkle the reserved jimmies on top of the fudge, pressing them gently into the surface.
Step 7: Chill and Set
Place the fudge in the refrigerator for at least 2 hours, or until it is firm. Once set, lift the fudge out of the pan using the parchment paper overhang.
Step 8: Cut and Serve
Use a sharp knife to cut the fudge into squares. Serve immediately or store for later enjoyment.
In-Season Flavor Ideas

This Birthday Cake Fudge is delicious as is, but if you want to experiment with flavors, consider these ideas:
- Chocolate Cake Fudge – Swap the yellow cake mix for chocolate cake mix for a rich variation.
- Red Velvet Fudge – Use red velvet cake mix and cream cheese extract for a festive twist.
- Funfetti Fudge – Add extra colorful sprinkles for a more vibrant look and flavor.
- Peanut Butter Swirl Fudge – Drizzle melted peanut butter on top before it sets for a nutty addition.
Notes on Ingredients
When selecting ingredients for your Birthday Cake Fudge, here are a few tips:
- For the white chocolate chips, opt for high-quality brands to ensure a smooth melting process and great flavor.
- Ensure the yellow cake mix is fresh for the best flavor and texture in your fudge.
- You can substitute the jimmies with other types of sprinkles if preferred, but traditional jimmies hold their shape better in the fudge.
- If you are sensitive to sweetness, consider using a semi-sweet chocolate chip in combination with the white chocolate for a balanced flavor.
Storage & Reheat Guide
Keep your Birthday Cake Fudge stored in an airtight container in the refrigerator. It will stay fresh for up to one week. If you prefer a softer texture, you can let the fudge sit at room temperature for a few minutes before enjoying. For longer storage, you can freeze the fudge in an airtight container for up to three months; just be sure to separate layers with parchment paper to prevent sticking.
Reader Questions
Can I use other types of chocolate instead of white chocolate?
Yes! While this recipe is designed for white chocolate, you can experiment with milk chocolate or even dark chocolate if you prefer a different flavor profile. Just keep in mind that it will change the overall taste of the fudge.
What can I use if I don’t have yellow cake mix?
If you don’t have yellow cake mix, you can use vanilla cake mix as a substitute. Alternatively, you can make your own cake mix by combining flour, sugar, baking powder, and a hint of vanilla extract.
Can I add nuts or other mix-ins to the fudge?
Absolutely! Chopped nuts, like walnuts or pecans, can add a delightful crunch to your fudge. Just fold them in along with the sprinkles. You can also try adding chocolate chips or caramel bits for extra flavor!
How do I know when the fudge is set and ready to cut?
The fudge is ready when it feels firm to the touch and has a slightly matte finish. If it still feels soft or sticky, it may need more time in the refrigerator to fully set.
Ready to Cook?
Now that you have all the information you need, it’s time to gather your ingredients and start making this delectable Birthday Cake Fudge. Whether it’s for a birthday celebration, a festive gathering, or just a sweet treat for yourself, this fudge is sure to bring smiles and satisfaction. So, roll up your sleeves, and let the fun begin. Happy cooking!

Birthday Cake Fudge
Ingredients
Equipment
Method
- Line a 9-inch square baking pan with parchment paper, allowing some overhang on the sides.
- In a medium saucepan over low heat, combine the white chocolate chips and the sweetened condensed milk. Stir continuously until melted and smooth.
- Remove from heat and stir in the dry yellow cake mix, vanilla extract, and a pinch of salt. Mix until well combined.
- Fold in the jimmies sprinkles, reserving a few for topping later.
- Pour the mixture into the prepared baking pan and smooth the top with a spatula.
- Sprinkle the reserved jimmies on top, pressing them gently into the surface.
- Chill in the refrigerator for at least 2 hours, or until firm.
- Lift the fudge out of the pan using the parchment paper overhang and cut into squares.
Notes
- Use high-quality white chocolate chips for the best flavor.
- Fresh yellow cake mix enhances the taste and texture of the fudge.
- For a variation, try using chocolate cake mix instead of yellow cake mix.
