Go Back

Marshmallow Brownie Slice

An indulgent dessert featuring rich chocolate brownies topped with fluffy marshmallows, perfect for family gatherings or cozy nights.
Prep Time 15 minutes
Cook Time 25 minutes
Total Time 2 hours 30 minutes
Course Dessert, Snack
Cuisine American
Servings 12 slices
Calories 250 kcal

Ingredients
  

Brownie Base

  • 100 g butter – melted Gives a rich and creamy texture.
  • ½ tsp vanilla essence Adds aromatic depth.
  • 1 cup caster sugar Perfect for smooth blending.
  • 2 pieces eggs Fresh and fluffy for moisture.
  • 50 g cocoa powder Essential for chocolate flavor.
  • 50 g plain flour Gives structure without heaviness.
  • ½ tsp baking powder Ensures a light texture.

Topping

  • 250 g milk chocolate For a smooth and creamy topping.
  • 1 tbsp coconut oil Adds shine to the chocolate.
  • 180 g marshmallows Creates a delightful contrast.

Instructions
 

Preparation

  • Preheat the oven to 150°C (fan bake) and line a 20 cm square tin with baking paper.
  • Melt the butter in a large microwave-safe bowl. Stir in caster sugar, vanilla essence, and eggs until smooth.
  • Sift in cocoa powder, plain flour, and baking powder. Fold gently until just combined.
  • Spread brownie batter into the prepared tin and bake for about 25 minutes, or until a skewer comes out with just a few moist crumbs.
  • Allow brownies to cool in the tin for at least 15 minutes before transferring to a wire rack.

Topping

  • Melt milk chocolate and coconut oil together in a heatproof bowl.
  • Coat marshmallows in the melted chocolate mixture.
  • Pour the chocolate-marshmallow mixture over the cooled brownie base, ensuring even coverage.
  • Chill in the fridge for at least 2 hours to set.
  • Once set, slice into squares and serve.

Notes

Serve with a scoop of vanilla ice cream or drizzle with caramel sauce for added indulgence. Dust with icing sugar or use colored sprinkles for festive occasions.
Keyword Brownies, Chocolate Dessert, Easy Dessert, Family Treat, Marshmallow Brownie Slice