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Prep Time 15 minutesmins
Cook Time 35 minutesmins
Chill Time 1 hourhr
Total Time 1 hourhr50 minutesmins
Servings 16Brownies
Calories 270kcal
Ingredients
Brownies:
¾cupunsalted butter
½cupsemi-sweet chocolate chips
½cupgranulated sugar
½cupbrown sugar
⅓cupcocoa powder
2large eggs
1egg yolk
¾cupall-purpose flour
½teaspoonsalt
Frosting:
¾cupsemi-sweet chocolate chips
½cupheavy cream
Rainbow sprinklesfor topping
Instructions
For the Brownies:
Melt the butter and chocolate chips in a medium saucepan over medium-low heat. Stir for 3 to 4 minutes, or until smooth. Remove from heat.
Add granulated sugar, brown sugar, and cocoa powder into the saucepan and whisk until combined.
Whisk in eggs and the egg yolk. Stop whisking once the mixture is thick and glossy.
Fold in flour and salt and whisk gently until fully combined. Transfer the batter to a parchment-lined 9x9-inch baking dish and spread into an even, smooth layer.
Bake at 350°F for 30 to 35 minutes, or until the edges are set and a toothpick inserted in the center comes out with a few moist crumbs. Let the brownies cool before frosting.
For the Frosting:
Add the heavy cream to a small saucepan and heat over medium heat until steaming. Remove from heat and add chocolate chips. Press the chocolate chips into the cream to fully submerge. Let sit for 5 minutes, and then whisk until smooth and glossy.
Pour frosting over the cooled brownies and spread into an even layer. Top with rainbow sprinkles (or desired topping). Refrigerate for 30 minutes to 1 hour, or until frosting has firmed. Slice into 16 brownies and serve.
Get the whisking right: A quick stir isn’t enough here. It’s the key behind that smooth, chewy texture. Keep whisking until the ingredients are fully combined.
Let the brownies cool before frosting: Resist the temptation! Frosting hot brownies will cause your frosting to melt and turn into a runny mess.
Watch the brownies while baking: This is the secret behind the fudgiest brownies. You want them to be slightly underdone in the center when you take them out. Leave to bake for too long, and you’ll end up with dry, overdone brownies that’ll crumble apart instead of melting in your mouth.