Easy marshmallow chocolate fudge

Featured in: Sweet Seasonal Treats

This rich and creamy chocolate dessert combines semi-sweet chocolate, sweetened condensed milk, and butter melted smoothly in the microwave. Mini marshmallows are gently folded in, offering a soft, chewy contrast. The mixture is spread into a pan, chilled until firm, then cut into squares. Optional nuts or sea salt enhance flavor and texture. Simple steps and quick prep time make it perfect for last-minute holiday treats or indulgent snacking.

Updated on Thu, 20 Nov 2025 13:21:00 GMT
Close-up of Easy Marshmallow Fudge—smooth, glossy chocolate squares studded with fluffy marshmallows. Save to Pinterest
Close-up of Easy Marshmallow Fudge—smooth, glossy chocolate squares studded with fluffy marshmallows. | frostkettle.com

A rich, creamy chocolate fudge loaded with mini marshmallows, ready in just minutes using the microwave. Perfect for holiday treats or last-minute desserts.

I first made this easy marshmallow fudge for a family holiday gathering, and it became an instant favorite. Everyone loved the combination of chocolate and marhsmallows in every bite.

Ingredients

  • Chocolate Base: 3 cups (510 g) semi-sweet chocolate chips, 1 can (14 oz / 400 g) sweetened condensed milk, 1/4 cup (55 g) unsalted butter, cut into pieces, 1 tsp vanilla extract
  • Marshmallows: 2 cups (100 g) mini marshmallows
  • Optional Add-ins: 1/2 cup (65 g) chopped walnuts or pecans (optional), Pinch of sea salt (optional, for topping)

Instructions

Prepare Pan:
Line an 8x8-inch (20x20 cm) baking pan with parchment paper, leaving an overhang for easy removal.
Make Fudge Base:
In a large microwave-safe bowl, combine the chocolate chips, sweetened condensed milk, and butter.
Microwave:
Microwave on high in 30-second intervals, stirring well after each, until the mixture is melted and smooth (about 1.5 to 2 minutes total).
Add Vanilla:
Stir in the vanilla extract until fully combined.
Fold in Marshmallows:
Gently fold in the mini marshmallows and optional nuts, if using.
Spread Mixture:
Quickly spread the mixture evenly into the prepared pan. Sprinkle with sea salt if desired.
Chill:
Chill in the refrigerator for at least 1 hour, or until firm.
Serve:
Lift out the fudge using the parchment overhang and cut into squares to serve.
Homemade Easy Marshmallow Fudge, a quick microwave dessert ready to be sliced and enjoyed. Save to Pinterest
Homemade Easy Marshmallow Fudge, a quick microwave dessert ready to be sliced and enjoyed. | frostkettle.com

Making this fudge together with kids has become a cherished annual tradition in our home. Watching them stir in the marshmallows always brings laughter and sweet memories.

Required Tools

8x8-inch baking pan, microwave-safe mixing bowl, spatula, parchment paper, knife

Allergen Information

Contains dairy and soy. May contain nuts if added. Always check labels for allergen warnings in chocolate and marshmallows.

Nutritional Information

Each serving (based on 24 squares, no nuts): 140 calories, 6 g total fat, 21 g carbohydrates, 2 g protein.

Rich, melty Easy Marshmallow Fudge, perfect for holiday treats with a sprinkle of sea salt. Save to Pinterest
Rich, melty Easy Marshmallow Fudge, perfect for holiday treats with a sprinkle of sea salt. | frostkettle.com

This fudge makes a delightful homemade gift or a quick dessert for any occasion. Enjoy every creamy, chocolatey bite!

Recipe Questions & Answers

Can I use a different type of chocolate?

Yes, milk or dark chocolate chips can replace semi-sweet to adjust sweetness and richness.

How long should the fudge chill before serving?

Chill for at least 1 hour to allow the mixture to firm up properly for easy cutting and serving.

Are nuts necessary in this dish?

Nuts are optional; adding chopped walnuts or pecans adds a crunchy texture but can be omitted.

Can I add flavor variations?

Swirls of peanut butter or caramel before chilling enhance flavor and add richness.

What is the best way to remove the treat from the pan?

Use parchment paper lining with an overhang to lift out the chilled squares easily without sticking.

Easy marshmallow chocolate fudge

Rich creamy chocolate squares with mini marshmallows, made quickly with microwave and chilled for firm texture.

Prep Duration
5 minutes
Time to Cook
5 minutes
Overall Time
10 minutes
Created by Nora Whitman


Skill Level Easy

Cuisine American

Makes 24 Serving Size

Dietary Information Meatless, Wheat-Free

What You Need

Chocolate Base

01 3 cups semi-sweet chocolate chips
02 1 can (14 oz) sweetened condensed milk
03 1/4 cup unsalted butter, cut into pieces
04 1 teaspoon vanilla extract

Marshmallows

01 2 cups mini marshmallows

Optional Add-ins

01 1/2 cup chopped walnuts or pecans (optional)
02 Pinch of sea salt (optional, for topping)

How-To Steps

Step 01

Prepare Pan: Line an 8x8-inch baking pan with parchment paper, leaving an overhang for easy removal.

Step 02

Combine Base Ingredients: In a large microwave-safe bowl, combine chocolate chips, sweetened condensed milk, and butter.

Step 03

Melt Ingredients: Microwave on high in 30-second intervals, stirring after each, until the mixture is melted and smooth, about 1.5 to 2 minutes total.

Step 04

Add Vanilla: Stir in vanilla extract until fully incorporated.

Step 05

Fold in Marshmallows and Nuts: Gently fold in mini marshmallows and optional nuts, if using.

Step 06

Transfer to Pan: Spread the mixture evenly into the prepared pan and sprinkle with sea salt if desired.

Step 07

Chill: Refrigerate for at least 1 hour until firm.

Step 08

Cut and Serve: Lift fudge using parchment overhang and cut into 24 squares before serving.

Tools You'll Need

  • 8x8-inch baking pan
  • Microwave-safe mixing bowl
  • Spatula
  • Parchment paper
  • Knife

Allergy Info

Review every ingredient for allergens. Ask a healthcare professional if unsure.
  • Contains dairy and soy; may contain nuts if added. Verify ingredient labels for allergens.

Nutrition Details (Each Serving)

Given for informational purposes, this isn't medical advice.
  • Energy Value: 140
  • Fats: 6 g
  • Carbohydrates: 21 g
  • Proteins: 2 g