Peppermint Swirl Fudge

The chocolate turns glossy first, then the white chocolate follows in the same saucepan, which keeps this two-layer fudge from becoming a sink full of dishes. I like how the…

By Ava
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November 14, 2026
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Reading time: 9 min

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The chocolate turns glossy first, then the white chocolate follows in the same saucepan, which keeps this two-layer fudge from becoming a sink full of dishes. I like how the finished squares show off those red ribbons against the dark base, with crushed candy canes adding a little crunch on top. It’s festive-looking, but the method is straightforward: melt each layer gently, make the swirl, and let the refrigerator do the setting.

This isn’t the kind of fudge that needs a candy thermometer or a bubbling sugar syrup. Sweetened condensed milk and chocolate chips become a smooth, sliceable mixture over low heat, so steady stirring matters more than chasing a particular temperature. Keep each batch moving as it melts, and take it off the heat before stirring in its extract. The finished peppermint swirl fudge is creamy, cool, and easy to cut into neat little squares.

Why This Fudge Doesn’t Need a Candy Thermometer

Traditional cooked fudge depends on boiling sugar to a precise stage, and a few degrees can change the texture. This version takes a different route. Sweetened condensed milk brings concentrated sugar and moisture to the chocolate, while chilling firms the mixture into pieces you can slice. You’re melting and combining, not cooking a syrup, so there’s no need to wait for bubbling or test a drop in cold water.

That difference is useful because it tells you what to watch. A smooth, glossy mixture is the goal; high heat won’t make it set faster, and it can make chocolate seize or turn grainy. Keep the burner low and stir continuously so the chips melt evenly into the condensed milk and butter. The two mixtures also need their own time in the pan: make the semisweet base first, then the white chocolate layer. Spoon the white and red portions over the base and swirl gently, rather than stirring them into one color. That gives you distinct ribbons and keeps the chocolate layer visible beneath them.

What the Chocolate, Condensed Milk, and Peppermint Each Bring

• Semisweet and white chocolate chips — The semisweet chips create a darker, less sugary base, while white chocolate gives the peppermint portion its pale color and creamy sweetness. Use chips you enjoy eating; their flavor carries through clearly. Chips are the right choice here because the recipe’s melting time and proportions are built around them.
• Sweetened condensed milk — This is the ingredient that makes the mixture creamy and helps it set after chilling. It isn’t interchangeable with evaporated milk, which is thinner and unsweetened; that swap would change both the sweetness and the texture. Keep the two cans separate so each chocolate layer gets its own full portion.
• Unsalted butter — Butter rounds out the chocolate and helps the mixtures melt smoothly. Unsalted butter keeps the flavor predictable, and there’s no need to soften it before it goes into the saucepan.
• Vanilla and peppermint extracts — Vanilla softens the semisweet chocolate’s edge, while peppermint extract makes the white layer unmistakably minty. Peppermint extract is potent, so measure it carefully rather than pouring by eye.
• Red gel food coloring — Gel gives the peppermint portion a clear red color without adding much liquid. If you don’t have gel coloring, leave that half white instead of using liquid coloring, which can loosen the mixture.
• Crushed candy canes — They add the crisp finish and familiar peppermint flavor on top. Crush them into small pieces so they’re easy to press into the fudge and don’t make the squares awkward to bite.

Making Two Smooth Layers Before the Swirl Sets

Line the Pan for Easy Lifting

Line a 9×9-inch square pan with parchment, leaving an overhang on two sides. Those edges become handles once the fudge is firm, so leave enough parchment to grip. Smooth the parchment into the corners and set the pan beside the stove before you start melting. The mixtures thicken as they cool, and having the pan ready keeps the transfer simple.

Melt the Semisweet Base Slowly

Combine the semisweet chocolate chips, sweetened condensed milk, and butter in a medium saucepan over low heat. Stir constantly for 5–8 minutes, scraping the bottom and sides so no chocolate sits in one hot spot. The mixture is ready when it looks smooth and glossy, with no visible chips. Take the pan off the heat, stir in the vanilla, then spread the chocolate evenly in the prepared pan.

Make the White and Red Peppermint Portions

Use the same saucepan for the white chocolate chips, condensed milk, and butter, again over low heat with constant stirring for 5–8 minutes. White chocolate can look thick while it melts, so keep the heat low rather than turning it up to rush the process. Once smooth, remove the pan from the heat and stir in the peppermint extract. Transfer half to a small bowl and stir the red gel coloring into that portion until the color is even.

Swirl, Top, and Chill Until Firm

Spoon dollops of the white and red mixtures over the chocolate base, spacing them across the surface. Draw a knife gently through the dollops to make swirls; repeated stirring will blur the colors instead of creating ribbons. Scatter the crushed candy canes evenly over the top and press them lightly into place. Refrigerate for 2–3 hours until firm, then lift the slab out by the parchment and cut it into 36 pieces.

Two Easy Changes to the Peppermint Swirl

Questions That Come Up When Making Peppermint Fudge

Peppermint Swirl Fudge

Peppermint swirl fudge layers smooth chocolate and white chocolate with a red peppermint ribbon and crushed candy canes. Make it on the stovetop, swirl the layers together, and refrigerate until firm for neat, festive pieces.

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Prep Time 15 minutes mins

Cook Time 16 minutes mins

Chilling 2 hours hrs 30 minutes mins

Total Time 3 hours hrs 1 minute min

Servings: 36 servings

Course: Dessert

Cuisine: American

Calories: 220

Ingredients Equipment Method Notes

Ingredients

  

For the chocolate fudge

• 3 cups semisweet chocolate chips
• 1 can (14 oz) sweetened condensed milk
• 2 tablespoons unsalted butter
• 1 teaspoon vanilla extract

For the peppermint swirl

• 3 cups white chocolate chips
• 1 can (14 oz) sweetened condensed milk
• 2 tablespoons unsalted butter
• 0.5 teaspoon peppermint extract
• 4 drops red gel food coloring
• 0.33 cup candy canes crushed

Equipment

• 1 9x9-inch square pan

Method

 

1. Line a 9x9-inch square pan with parchment paper, leaving overhang on two sides for lifting out the fudge.

Make the chocolate fudge

1. Combine the semisweet chocolate chips, sweetened condensed milk, and butter in a medium saucepan over low heat, stirring constantly for 5–8 minutes until smooth.
2. Remove the pan from the heat and stir in the vanilla extract.
3. Spread the chocolate mixture evenly in the prepared pan.

Make the peppermint swirl

1. Combine the white chocolate chips, sweetened condensed milk, and butter in the same saucepan over low heat, stirring constantly for 5–8 minutes until smooth.
2. Remove the pan from the heat and stir in the peppermint extract.
3. Transfer half of the mixture to a small bowl.
4. Stir the red gel food coloring into that portion.

Swirl and chill

1. Spoon dollops of the white and red mixtures over the chocolate layer.
2. Gently swirl them together with a knife.
3. Sprinkle the crushed candy canes evenly over the top.
4. Press the candy canes gently into the fudge.
5. Refrigerate for 2–3 hours until firm.
6. Lift the fudge from the pan and cut it into 36 pieces.

Notes

For clean cuts, use the parchment overhang to lift the fully firm fudge from the pan and wipe the knife between cuts. Store in an airtight container in the refrigerator for up to 2 weeks; it freezes well for up to 2 months. For a dairy-free version, use dairy-free chocolate chips, dairy-free sweetened condensed milk, and plant-based butter.