Fantasy Fudge is a game changer when you need an easy chocolate treat that looks like you spent hours in the kitchen. This recipe takes just 12 minutes from start to finish and uses your microwave to create rich, creamy fudge thatโs perfect for holiday gift giving or last-minute dessert emergencies.

Fantasy Fudge
What I love most is that you donโt need a candy thermometer or any special equipment. The microwave does all the work, and the mini marshmallows create that perfect creamy texture without any guesswork. Itโs one of those recipes that makes you look like a baking hero with minimal effort.
Ingredients & Equipment
- Butter
- Evaporated milk
- Sugar
- Semi-sweet chocolate chips
- Mini marshmallows
- Chopped walnuts
- Vanilla extract
Full measurements for each ingredient can be found in the printable recipe card at the bottom of this post.
Youโll also need a few things from your kitchen:
- Large microwave safe bowl
- 9ร13 baking dish
- Aluminum foil
- Nonstick cooking spray
- Spoon or spatula for stirring

Step By Step Directions
This recipe makes around 50 pieces. It takes 5 minutes of prep time and 7 minutes of cook time.
Step 1. Heat the butter, milk and sugar in a large microwave safe bowl for 3 minutes, until simmering, then stir to mix.
Step 2. Return the bowl to the microwave for another 2 minutes, until boiling.
Step 3. Add the mini marshmallows to the bowl and heat for another 2 minutes, stirring after one minute.
Step 4. Pour in the chocolate chips and stir until melted.

Step 5. Fold in the chopped walnuts and vanilla extract.
Step 6. Line a 9ร13 baking dish with foil and grease with nonstick cooking spray. Spread the mixture evenly in the pan. Allow to cool to room temperature, then cut into squares and serve.

Variations
- Skip the walnuts for a nut-free version, or swap them for chopped pecans or almonds
- Add a layer of peanut butter chips mixed with the chocolate chips for a chocolate peanut butter twist
- Stir in crushed peppermint candies instead of walnuts for a festive holiday version
- Use milk chocolate chips instead of semi-sweet for a sweeter, milder chocolate flavor
- Mix in dried cherries or cranberries for a fruity touch
- Top with sea salt flakes before the fudge sets for a sweet and salty combination
- Add a tablespoon of instant espresso powder to the butter mixture for mocha fudge
Leftovers & Storage
Store Fantasy Fudge in an airtight container at room temperature for up to two weeks. You can also refrigerate it for up to three weeks if you prefer firmer fudge. This recipe freezes beautifully for up to three months, making it perfect for making ahead during the holidays.
Tips & Tricks
- Use a large bowl because the mixture will bubble up quite a bit in the microwave, and you donโt want it to overflow
- Stir thoroughly after each microwave session to ensure everything melts evenly and the sugar dissolves completely
- Line your pan with foil that extends over the edges so you can lift the whole batch out before cutting for cleaner squares
- Let the fudge cool completely at room temperature rather than rushing it in the fridge, which can make the texture grainy
- Use a sharp knife and wipe it clean between cuts for the neatest pieces
- Mini marshmallows work best because they melt more evenly than regular sized marshmallows

Recipe FAQs
Can I make this fudge without a microwave?
Yes, you can make this on the stovetop instead. Combine the butter, milk, and sugar in a heavy saucepan over medium heat, stirring constantly until it comes to a full boil. Boil for 5 minutes, stirring constantly, then remove from heat and stir in the marshmallows until melted. Continue with the chocolate chips, nuts, and vanilla as directed.
Why is my fudge grainy instead of smooth?
Grainy fudge usually means the sugar didnโt dissolve completely. Make sure you stir well after each microwave session and that the mixture comes to a full boil. Also, donโt refrigerate the fudge while itโs still warm, as rapid temperature changes can cause graininess.
Can I leave out the walnuts?
Absolutely! The walnuts add texture and flavor, but the fudge is delicious without them. You can leave them out entirely or replace them with any other mix-in you prefer like toffee bits, crushed cookies, or other nuts.
How do I know when the fudge is done cooling and ready to cut?
The fudge is ready to cut when itโs firm to the touch and no longer warm. This usually takes about 2 hours at room temperature. You can speed this up slightly by placing it in the refrigerator for the last 30 minutes, but let it cool most of the way first.
Can I double this recipe?
Yes, but youโll need to work in batches for the microwave steps since you need a large bowl and canโt overfill it. Itโs actually easier to make two separate batches and pour them into two pans rather than trying to double everything at once.
How far ahead can I make this for gift giving?
You can make Fantasy Fudge up to two weeks ahead if stored properly at room temperature, or up to three weeks if refrigerated. For longer storage, freeze it for up to three months. Just make sure itโs completely cooled and cut before packaging for gifts.
More Fudge Recipes
- Peppermint Fudge
- Chocolate Caramel Fudge
- Sugar Cookie Fudge
- Easy Chocolate Fudge
- Christmas Fudge
- White Chocolate Fudge
- Maple Fudge
- Christmas Peanut Butter Fudge
- Chocolate Frosting Fudge

Ingredients
- ยพ cup butter
- โ cup evaporated milk
- 3 cups sugar
- 12 ounces semi-sweet chocolate chips
- 12 ounces mini marshmallows
- 1 cup chopped walnuts
- 1 teaspoon vanilla extract
Instructions
- Heat the butter, milk and sugar in a large microwave safe bowl for 3 minutes, until simmering, then stir to mix.
- Return the bowl to the microwave for another 2 minutes, until boiling.
- Add the mini marshmallows to the bowl and heat for another 2 minutes, stirring after one minute.
- Pour in the chocolate chips and stir until melted.
- Fold in the chopped walnuts and vanilla extract.
- Line a 9x13 baking dish with foil and grease with nonstick cooking spray. Spread the mixture evenly in the pan. Allow to cool to room temperature, then cut into squares and serve.
Notes
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