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Smooth Peanut Butter Fudge

Featured in Sweet Endings: Irresistible Desserts.

With four easy ingredients and just a few minutes of your time, you’ll have perfectly smooth and rich peanut butter fudge. It’s simple to prepare on the stove or in the microwave.

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Updated on Sun, 13 Apr 2025 11:06:11 GMT
Someone lifting a shiny, creamy piece of fudge from a dish filled with more of it. Pin it
Someone lifting a shiny, creamy piece of fudge from a dish filled with more of it. | linacooks.com

Super Creamy 4-Ingredient PB Fudge

This velvety peanut butter fudge looks fancy enough for a candy store display but comes together with just four basic items. Its buttery richness and soft, melting texture makes it a knockout choice for holiday presents or whenever your sweet tooth needs quick satisfaction.

Easy Pantry Wonder

We can whip up something downright amazing with only smooth peanut butter, butter without salt, vanilla, and confectioners' sugar. Each part works together to create that dreamy fudge consistency. One bit of advice: stick with actual butter for this—don't try using margarine as you won't get that same indulgent outcome.

Fudge-Making Steps

  • Prepare Your Mixture: Combine peanut butter, butter, and vanilla in a bowl safe for microwaving; warm for 90 seconds until blended.
  • Mix In Sweetness: Gradually fold in confectioners' sugar, cup by cup, until the mixture becomes thick.
  • Fill Your Container: Prepare an 8- or 9-inch dish with lining, then spread fudge mixture evenly.
  • Cool It Down: Refrigerate for at least 4 hours to firm up before slicing.

Insider Tricks For Perfect Results

Blend that butter and peanut butter completely smooth before you start adding any sugar. The final mix should be firm, not liquid-y. Got a stovetop preference? You can definitely use a double boiler instead. Want to jazz it up? Try topping with crushed nuts or a drizzle of melted chocolate before cooling.

Make It Your Own

Get creative with chunky peanut butter or toss in some nuts you love. Try something fancy by creating layers with chocolate fudge for a treat that tastes like buckeyes. Adding just a touch of sea salt on top really brings out amazing flavors.

A close-up of a tray of smooth, caramel-colored fudge squares, with one piece being lifted by a spatula. Pin it
A close-up of a tray of smooth, caramel-colored fudge squares, with one piece being lifted by a spatula. | linacooks.com

Storage Smarts

Enjoy your fudge cold, cut into bite-sized cubes. It tastes amazing with a glass of cold milk or alongside hot coffee. Keep squares separated with parchment in a sealed container. It'll stay good in your fridge for 2 weeks, or pop it in the freezer for up to 3 months if you can wait that long.

Frequently Asked Questions

→ Why does this need so much chill time?

The fudge sets best when it’s given enough time to cool. It helps with both cutting it easily and getting that ideal texture.

→ Can I swap creamy for crunchy peanut butter?

Totally, but keep in mind it’ll give you a chunkier texture rather than super smooth.

→ How long will it last?

Pop it in a sealed container in the fridge, and it stays good for up to two weeks. You can also freeze it to keep for three months.

→ Why is my fudge too soft?

Check if the powdered sugar was measured right. Also, be sure it’s been chilled long enough before slicing.

→ Can I mix in extra goodies?

You sure can! Try throwing in chopped nuts, chocolate pieces, or cookie crumbs before it goes in the fridge.

Creamy PB Fudge

Deliciously smooth fudge made with peanut butter, minimal effort, and just four simple ingredients.

Prep Time
5 Minutes
Cook Time
~
Total Time
5 Minutes
By: Paolina

Category: Desserts

Difficulty: Easy

Cuisine: American

Yield: 48 Servings (48 squares)

Dietary: Vegetarian, Gluten-Free

Ingredients

01 1 teaspoon vanilla extract.
02 3 1/2 cups powdered sugar.
03 1 cup peanut butter, smooth.
04 1 cup unsalted butter.

Instructions

Step 01

Pop the butter, peanut butter, and vanilla in a microwave-safe bowl. Warm it up for 90 seconds. Stir until it's silky smooth. Gradually work in the powdered sugar.

Step 02

Melt the butter, peanut butter, and vanilla in a pan over medium heat. Keep stirring until it turns creamy. Take it off the heat and slowly fold in the powdered sugar.

Step 03

Line or grease an 8-9 inch pan. Press the mixture down into the dish evenly. Stick it in the fridge for at least 4 hours to firm up.

Step 04

Slice the chilled fudge into small squares. Keep them in the fridge to stay fresh.

Notes

  1. Perfect for kids to enjoy.
  2. Choose between two cooking styles.
  3. Can be frozen easily.
  4. Awesome for gifting.
  5. You won’t need a thermometer.
  6. Super quick to put together.

Tools You'll Need

  • An 8-9 inch dish.
  • Microwave or a stove pan.
  • A mixing bowl.
  • Some parchment paper.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains peanuts.
  • Made with butter (dairy).

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 99
  • Total Fat: 6 g
  • Total Carbohydrate: 9 g
  • Protein: 1 g