Old fashioned peanut butter fudge isn’t just a dessert—it’s a trip down memory lane. For many, it’s a sweet reminder of time spent in grandma’s kitchen, where the scent of warm sugar and creamy peanut butter filled the air. This classic treat has been passed down through generations, often made during holidays, family gatherings, and special occasions. Its creamy texture and rich, nutty flavour have a comforting quality that connects people to fond memories and traditions, making it more than just a simple sweet.
The term “old-fashioned” refers to the simplicity and authenticity of this fudge; unlike modern recipes that rely on shortcuts like sweetened condensed milk or marshmallow cream, traditional peanut butter fudge sticks to essential, wholesome ingredients—sugar, butter, milk, peanut butter, and vanilla. This straightforward method highlights the rich, natural flavours of the ingredients without being overly sweet or artificial. The process is a labour of love, requiring patience and attention as the mixture boils and thickens to perfection.
Whether you’re making it for a holiday cookie platter, a school bake sale, or to satisfy an afternoon craving, old fashioned peanut butter fudge fits the bill. Its creamy, melt-in-your-mouth texture paired with a nutty peanut butter punch makes it universally loved. It’s also incredibly versatile—easy to dress up with chocolate swirls, chopped nuts, and sea salt for a gourmet twist or kept simple for that nostalgic, homemade charm. Plus, it stores well, making it a fantastic make-ahead treat for parties or gifting during the holiday season.
Ingredients You’ll Need for Peanut Butter Fudge
Core Ingredients:
To achieve the rich, creamy, and nostalgic flavour of old fashioned peanut butter fudge, you’ll need a handful of simple pantry staples:
- Peanut Butter: Depending on your texture preference, you can choose between creamy and crunchy peanut butter. Creamy peanut butter creates a smooth, velvety fudge, while crunchy adds bits of nutty goodness throughout. Opt for natural peanut butter with minimal added sugar for a more authentic, rich peanut flavour.
- Granulated Sugar: This is the key to that classic sweetness and the fudge’s smooth, slightly grainy texture that melts in your mouth. It also helps achieve the right consistency as it caramelizes during cooking.
- Butter: Unsalted butter is ideal because it gives you better control over the overall saltiness of the fudge. The butter adds richness and a silky texture that complements the nutty flavor.
- Milk: Use whole milk for a creamier, more indulgent fudge. If you prefer an even richer flavour, evaporated milk is a great alternative, adding a subtle caramel-like undertone.
- Vanilla Extract: A splash of pure vanilla extract enhances the flavours, adding depth and balancing the sweetness of sugar and peanut butter.
Optional Add-Ins:
While traditional fudge keeps it simple, these optional ingredients can elevate your recipe:
- Chopped Peanuts: Add them directly into the fudge or sprinkle on top before it sets for an extra crunchy texture and a bold peanut flavour.
- Sea Salt Flakes: A sprinkle of flaky sea salt on top before the fudge sets creates a delightful sweet-salty contrast that enhances the peanut butter’s natural flavours.
- Chocolate Chips: Stir in semi-sweet or dark chocolate chips while the fudge is warm for a delicious peanut butter-chocolate combo. Swirling melted chocolate on top can also create a marbled effect.
Pro Tip
Use high-quality peanut butter with a smooth consistency and minimal added oils or sweeteners for the creamiest texture. This ensures your fudge sets ideally and has that signature melt-in-your-mouth feel without becoming greasy.
How to Make Old Fashioned Peanut Butter Fudge
Creating rich, creamy, old fashioned peanut butter fudge is easier than you might think. Follow these simple steps to achieve that nostalgic flavour and melt-in-your-mouth texture.
Prepare the Pan
- Line an 8×8-inch or 9×9-inch baking dish with parchment paper or wax paper, leaving some overhang on the sides for easy removal later.
- Lightly grease the paper with butter or non-stick spray to prevent the fudge from sticking.
Make the Fudge Base
- In a medium heavy-bottomed saucepan, combine:
- 2 cups granulated sugar
- ½ cup whole milk (or evaporated milk for extra creaminess)
- ½ cup unsalted butter (cut into pieces for even melting)
- Place the saucepan over medium heat and stir until the butter melts and the sugar dissolves.
- Bring the mixture to a gentle boil, stirring frequently to prevent it from sticking to the bottom or burning.
- Continue boiling until the mixture reaches the soft-ball stage—about 234°F (112°C) on a candy thermometer. This ensures the fudge sets with the perfect creamy texture.
Add Peanut Butter & Flavor
- Remove the pan from heat immediately after reaching the softball stage.
- Quickly stir in:
- 1 cup creamy peanut butter (or crunchy if preferred)
- 1 teaspoon pure vanilla extract
- Stir vigorously until the peanut butter melts and the mixture is smooth, thick, and glossy.
Pour & Set
- Quickly pour the hot fudge mixture into the prepared pan. It will start to set as it cools, so work fast.
- Use a spatula or the back of a spoon to spread it evenly and smooth the top.
- Let the fudge cool at room temperature for 1–2 hours, or place it in the fridge for faster setting.
Slice & Serve
- Once the fudge is completely set and firm, lift it out of the pan using the parchment paper overhang.
- Put a sharp knife on a cutting board and slice into small squares. Wipe the knife clean between cuts for neat, even pieces.
- Enjoy your old fashioned peanut butter fudge as a rich treat, perfect for sharing or keeping all to yourself!
Pro Tip
For perfectly creamy and smooth fudge, use a candy thermometer to ensure the sugar mixture reaches the soft-ball stage (~234°F/112°C). The fudge sets appropriately in this sweet spot without becoming too hard or soft.
Tips for Perfect Creamy Peanut Butter Fudge Every Time
Making old fashioned peanut butter fudge that’s smooth, creamy, and melts in your mouth can be simple with the proper techniques. Here are key tips to help you achieve fudge perfection every time.
1. Avoiding Graininess
- Dissolve the Sugar Completely: Stir continuously while boiling to ensure the Sugar fully dissolves into the mixture. Undissolved sugar crystals can lead to a grainy texture.
- Don’t Stir After Boiling: Once the mixture starts boiling, reduce stirring to prevent the formation of sugar crystals, which can make the fudge gritty.
- Use a Heavy-Bottomed Pan: This helps distribute heat evenly, reducing the risk of hot spots that cause Sugar to caramelize unevenly.
2. Achieving the Right Texture
- Cook to the Correct Temperature: Use a candy thermometer to reach the soft-ball stage (around 234°F/112°C). This ensures the fudge sets properly—firm but still creamy.
- Avoid Overcooking or Undercooking:
- Overcooked fudge becomes dry and crumbly.
- Undercooked fudge will remain too soft and may not set well.
- Test Without a Thermometer: If you don’t have a thermometer, drop a small spoonful of the mixture into cold water. If it forms a soft, pliable ball, it’s ready.
3. For Extra Creaminess
- Add a Splash of Heavy Cream: Replacing a small portion of milk with heavy cream adds richness and creaminess.
- Incorporate Extra Butter: An additional tablespoon of unsalted butter enhances smoothness without altering the flavour.
- Quick Stirring After Removing from Heat: Stir briskly after adding peanut butter and vanilla to create a glossy, creamy texture.
4. Storage Advice
- Use an Airtight Container: To maintain its freshness and texture, store fudge in an airtight container at room temperature for up to one week.
- Refrigeration: If you prefer firmer fudge, refrigerate it, but allow it to come to room temperature before serving for the best flavour and texture.
- Freezing for Long-Term Storage: Wrap fudge tightly in plastic wrap and foil, then place it in a freezer-safe bag. It remains good in the freezer for up to three months.
Pro Tip
For the creamiest fudge, let it cool naturally at room temperature rather than refrigerating it right away. Cooling slowly helps prevent Sugar crystallization, which can cause a grainy texture. This method results in ultra-smooth, melt-in-your-mouth fudge every time!
Creative Variations of Classic Peanut Butter Fudge
While old fashioned peanut butter fudge is a timeless treat, adding a creative twist can take it to the next level. Try these tasty variations to inspire your next batch.:
1. Chocolate Swirl Fudge
- How to Make It: After pouring the peanut butter fudge into the pan, drizzle melted dark or semi-sweet chocolate over the top. Use a toothpick or knife to gently swirl the chocolate into the fudge, creating a beautiful marbled effect.
- Flavour Boost: Add a dash of sea salt to the top for a sweet-and-salty combination that complements the rich chocolate.
2. Salted Caramel Peanut Butter Fudge
- How to Make It: Drizzle warm caramel sauce over the fudge before it sets. Lightly swirl the caramel into the top layer, then sprinkle flaky sea salt for a decadent, salty-sweet finish.
- Pro Tip: For a richer flavour, use homemade salted caramel or bourbon caramel for an adult-friendly twist.
3. Nutty Fudge
- How to Make It: Fold in chopped nuts such as pecans, almonds, walnuts, or cashews right before pouring the fudge into the pan. The crunchy texture adds a delightful contrast to the creamy fudge.
- Optional Add-Ins: Toast the nuts beforehand to enhance their natural flavour and add a deeper nutty aroma.
4. Layered Fudge
- How to Make It: Prepare two batches—one peanut butter and one chocolate fudge. Pour the chocolate layer first, set it slightly, then add the peanut butter layer. You can reverse the layers depending on your preference.
- Presentation Tip: Finish with a light dusting of cocoa powder or chopped peanuts for an eye-catching presentation.
5. Espresso-Infused Peanut Butter Fudge
- How to Make It: Add 1–2 teaspoons of instant espresso powder to the fudge mixture while still warm. The coffee enhances the peanut butter flavour, adding a subtle, sophisticated depth.
- Pairing Tip: This variation pairs beautifully with dark chocolate swirls or a sprinkle of cocoa nibs on top.
Pro Tip
Add a pinch of cinnamon, cayenne pepper, or a dash of cardamom to the fudge mixture for an unexpected flavour boost. These warm spices complement the rich, nutty flavor of the peanut butter, creating a unique and memorable twist on this classic treat.
If you’re a fan of fudge, don’t miss our Easy Fudge Recipe for a quick and delicious treat that’s perfect for any occasion!
FAQs and Storage Tips for Peanut Butter Fudge
Even the simplest recipes can bring up questions when trying to make the perfect batch of old fashioned peanut butter fudge. Here are some frequently asked questions and expert storage tips to ensure your fudge turns out creamy and delicious every time.
FAQs
1. Can I freeze peanut butter fudge?
Yes! Peanut butter fudge freezes exceptionally well. Wrap the fudge tightly in plastic wrap or wax paper, then place it in an airtight container or freezer-safe bag. It can stay fresh for as long as three months. When you’re ready to enjoy, defrost it in the refrigerator or at room temperature.
2. Why did my fudge turn out crumbly?
Crumbly fudge often results from overcooking the sugar mixture or not dissolving the sugar properly. To avoid this:
- Use a candy thermometer to monitor the temperature. Aim for the soft-ball stage (around 234°F/112°C).
- Stir constantly while boiling to ensure even heat distribution and prevent sugar crystallization.
3. Can I use natural peanut butter?
You can use natural peanut butter but stir it thoroughly before adding it. Natural peanut butter tends to separate, with the oil settling on top. If not well mixed, this can affect the texture, making the fudge oily or inconsistent.
4. What is the secret to perfect fudge?
The secret lies in precision and patience:
- Temperature control: Use a candy thermometer to prevent overcooking.
- Proper stirring: Stir the mixture continuously to avoid burning and to ensure smooth texture.
- Timing: After heat removal, add peanut butter and vanilla to maintain a creamy consistency.
5. What not to do when making fudge?
- Don’t rush the process. Fudge needs time to reach the correct temperature and set it correctly.
- Don’t over-stir after the mixture starts to cool, which can lead to a grainy texture.
- Avoid high heat. Rapid boiling can cause sugar to crystallize, making the fudge gritty.
6. How long does it take for peanut butter fudge to harden?
Peanut butter fudge typically takes 1–2 hours to set at room temperature. Place it in the refrigerator for about 30–45 minutes for quicker results. Ensure it’s thoroughly cooled before cutting for clean, sharp edges.
7. What is the secret to smooth fudge that is not gritty?
The key is ensuring the sugar is fully dissolved during cooking.
- Use a candy thermometer to hit the right temperature.
- Stir constantly and avoid scraping the sides of the pan, as sugar crystals can form there.
- Add a tablespoon of corn syrup to the mixture to prevent crystallization (optional for ultra-smooth fudge).
Storage Tips
- Room Temperature: Keep the fudge in an airtight container at room temperature for up to one week. Please keep it in a cool, dry place, away from direct sunlight.
- Refrigeration: For longer freshness, refrigerate in a sealed container for 2–3 weeks. Let it reach room temperature before serving to achieve the best texture.
- Freezing: Freeze in individual portions wrapped in plastic and placed in a freezer-safe bag. Allow it to defrost at room temperature prior to serving.
Pro Tip
Wrap each fudge square individually in wax paper or parchment paper before storing. This prevents pieces from sticking together and makes for easy, grab-and-go treats—perfect for lunch boxes, gifts, or a quick sweet fix!
Why You’ll Love This Old Fashioned Peanut Butter Fudge
Something undeniably special about old fashioned peanut butter fudge makes it a timeless favourite. Whether you’re making it for the holidays, a family gathering, or to satisfy your sweet tooth, this creamy, melt-in-your-mouth treat delivers every time.
Simplicity at Its Best
One of the greatest joys of this fudge is how simple it is to make. With just a handful of pantry staples—sugar, peanut butter, butter, and milk—you can create a decadent, flavorful treat that tastes like it came straight from grandma’s kitchen—no fancy equipment, no complicated steps—just pure, nostalgic goodness.
Rich Flavor & Creamy Texture
This fudge is all about that perfect balance:
- Creamy and smooth with a melt-in-your-mouth texture.
- A bold, nutty peanut butter flavor complemented by just the right amount of sweetness.
- Optional add-ins like sea salt or crunchy peanuts can take it to the next level, offering bursts of texture and contrast.
Perfect for Any Occasion
Whether you’re making it for a holiday dessert tray, a bake sale, or as a homemade gift, peanut butter fudge is a crowd-pleaser. It’s easy to package beautifully for gifts, stores well and can be made in large batches with minimal effort.
Old Fashioned Peanut Butter Fudge
Ingredients
- 2 cups granulated sugar
- ½ cup whole milk (or evaporated milk for a richer flavor)
- ½ cup unsalted butter, cut into pieces
- 1 cup creamy peanut butter (or crunchy for added texture)
- 1 tsp pure vanilla extract
Optional Add-ins:
- Chopped peanuts (for crunch)
- Flaky sea salt (for a sweet-salty finish)
- Chocolate chips (for a peanut butter-chocolate combo)
Instructions
Prepare the Pan
- Line an 8×8-inch or 9×9-inch baking dish with parchment paper or wax paper, leaving some overhang for easy removal later.
- Lightly grease the paper with butter or non-stick spray to prevent sticking.
Make the Fudge Base
- In a medium, heavy-bottomed saucepan, combine: 2 cups granulated sugar, ½ cup milk, and ½ cup unsalted butter
- Place the saucepan over medium heat and stir continuously until the butter is melted and the sugar is fully dissolved.
- Bring the mixture to a gentle boil, stirring frequently to prevent burning.
- Continue boiling until the mixture reaches the soft-ball stage—about 234°F (112°C) on a candy thermometer. If you don’t have a thermometer, drop a bit of the mixture into cold water—it should form a soft, pliable ball when ready.
Add Peanut Butter & Flavor
- Remove the pan from heat immediately after reaching the desired temperature.
- Quickly stir in: 1 cup peanut butter, and 1 teaspoon vanilla extract
- Stir vigorously until the mixture is smooth, thick, and glossy.
Pour & Set
- Quickly pour the hot fudge mixture into the prepared pan.
- Use a spatula to spread it evenly, smoothing the top.
- Let the fudge cool at room temperature for 1–2 hours or refrigerate for 30–45 minutes until fully set.
Slice & Serve
- Once the fudge is firm, lift it out of the pan using the parchment paper.
- Cut into small squares with a sharp knife.
- Serve and enjoy this creamy, nostalgic treat!
