Easy Marshmallow Fudge

Featured in: Quick Sweet Fixes

This rich and creamy chocolate creation is loaded with mini marshmallows for a textured contrast. Made effortlessly in the microwave within minutes, it offers a smooth, sweet base with options to add nuts or a sprinkle of sea salt for enhanced flavor. After a brief chill to set, it’s ready to be sliced into squares. Ideal for holiday treats or last-minute indulgences, this cooling step ensures perfect firmness with a luscious bite in every square.

Updated on Thu, 20 Nov 2025 09:43:00 GMT
A square of Easy Marshmallow Fudge, offering a soft texture packed with sweet mini marshmallows. Pin it
A square of Easy Marshmallow Fudge, offering a soft texture packed with sweet mini marshmallows. | weeknightwhisk.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 marshmallow fudge when I needed a speedy dessert for a family get-together. Everyone loved the creamy chocolate paired with the soft, sweet marshmallows.

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
Microwave Chocolate Mixture:
In a large microwave-safe bowl combine the chocolate chips sweetened condensed milk and butter
Melt and Stir:
Microwave on high in 30-second intervals stirring well after each until the mixture is melted and smooth (about 1.5–2 minutes total)
Add Vanilla:
Stir in vanilla extract until fully combined
Fold in Add-ins:
Gently fold in the mini marshmallows and optional nuts if using
Spread and Top:
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
Cut and Serve:
Lift out the fudge using the parchment overhang and cut into squares to serve
Warm, melted Easy Marshmallow Fudge with visible mini marshmallows swirling, a perfect dessert. Pin it
Warm, melted Easy Marshmallow Fudge with visible mini marshmallows swirling, a perfect dessert. | weeknightwhisk.com

This fudge is a tradition at our holiday parties. My kids are always excited to help fold in the marshmallows and sprinkle a touch of sea salt on top.

Required Tools

8x8-inch (20x20 cm) baking pan, microwave-safe mixing bowl, spatula, parchment paper, knife

Allergen Information

Contains dairy (butter sweetened condensed milk) soy (in chocolate chips) and may contain nuts if added. Always check ingredient labels especially for store-bought chocolate and marshmallows.

Nutritional Information

Per serving (1 square, based on 24 squares, no nuts): 140 calories, 6 g total fat, 21 g carbohydrates, 2 g protein

Homemade Easy Marshmallow Fudge, chilling in a pan, ready for slicing into sweet, bite-sized squares. Pin it
Homemade Easy Marshmallow Fudge, chilling in a pan, ready for slicing into sweet, bite-sized squares. | weeknightwhisk.com

Serve chilled for best texture. Enjoy sharing this marshmallow fudge at your next celebration.

Common Questions

Can I use different types of chocolate chips?

Yes, you can swap semi-sweet chocolate chips for milk or dark varieties to adjust sweetness and flavor according to preference.

What’s the best way to melt the chocolate mixture?

Melting in the microwave in 30-second intervals while stirring helps achieve a smooth, lump-free texture without overheating.

How long should the fudge chill before cutting?

Refrigerate for at least one hour to allow it to firm up properly before slicing into squares.

Are nuts necessary in the mix?

Nuts are optional but add a nice crunch and complement the creamy chocolate and marshmallows well.

Can this be stored for later enjoyment?

Store the squares in an airtight container in the refrigerator for up to one week to maintain freshness and texture.

Easy Marshmallow Fudge

A creamy chocolate delight with mini marshmallows, quick to prepare and perfect for treats.

Prep Time
5 min
Cook Time
5 min
Time Needed
10 min
Created by Ella Thompson

Dish Type Quick Sweet Fixes

Skill Level Easy

Cuisine American

Makes 24 Portions

Dietary Info Meat-Free, No Gluten

What You'll 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)

Step-by-Step

Step 01

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

Step 02

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

Step 03

Melt mixture: Microwave on high in 30-second intervals, stirring well after each, until smooth and fully melted, approximately 1.5 to 2 minutes total.

Step 04

Add vanilla: Stir in vanilla extract until thoroughly incorporated.

Step 05

Incorporate marshmallows and nuts: Fold in mini marshmallows and optional chopped nuts gently to preserve texture.

Step 06

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

Step 07

Chill fudge: Refrigerate for at least 1 hour or until firm.

Step 08

Serve: Lift the set fudge using the parchment overhang and cut into 24 equal squares for serving.

Tools Required

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

Allergy Notice

Go through every ingredient to identify allergens and talk to your healthcare provider if you have concerns.
  • Contains dairy, soy, and may contain nuts depending on optional add-ins.

Nutrition Information (per portion)

Nutrition details are for general reference and shouldn't replace advice from your doctor.
  • Caloric Content: 140
  • Fats: 6 g
  • Carbohydrates: 21 g
  • Proteins: 2 g