Ultimate Chewy Fudgy Brownies with Chocolate Buttercream (Print version)

Dense chewy brownies made with melted chocolate and cocoa, finished with smooth chocolate buttercream.

# Ingredients:

For the brownies

01 - 1/2 cup (113 g) unsalted butter, cut into pieces
02 - 8 oz (226 g) semi-sweet chocolate bars, chopped
03 - 3/4 cup (150 g) granulated sugar
04 - 1/4 cup (50 g) packed light brown sugar
05 - 3 large eggs, room temperature
06 - 1 teaspoon pure vanilla extract
07 - 2/3 cup (84 g) all-purpose flour
08 - 2 tablespoons (10 g) unsweetened cocoa powder
09 - 1/4 teaspoon fine salt
10 - 1 cup (170 g) semi-sweet chocolate chips

For the chocolate buttercream

11 - 1/2 cup (113 g) unsalted butter, softened
12 - 1 1/2 cups (180 g) confectioners' sugar
13 - 1/3 cup (27 g) unsweetened cocoa powder
14 - 3 tablespoons heavy cream or milk, slightly warm
15 - 1/2 teaspoon pure vanilla extract
16 - Pinch of fine salt

# Instructions:

01 - Heat the oven to 350°F (175°C). Line a 9-inch square metal pan with parchment, leaving overhang on two sides for lifting.
02 - Melt the butter and chopped semi-sweet chocolate together in a heatproof bowl set over simmering water or in short microwave bursts. Stir until glossy and let cool for 5 minutes.
03 - Whisk the granulated sugar and brown sugar into the warm chocolate mixture. Add the eggs one at a time, then whisk in the vanilla until the batter looks smooth.
04 - Fold in the flour, cocoa powder, and salt just until combined. Fold in the chocolate chips, then spread the thick batter evenly in the prepared pan.
05 - Bake for 30-34 minutes, until the edges are set and a toothpick inserted near the center comes out with moist crumbs. Cool completely in the pan, at least 2 hours.
06 - Beat the softened butter until creamy. Add confectioners' sugar, cocoa powder, warm cream, vanilla, and salt, then beat until smooth and spreadable. Add a teaspoon more cream if needed.
07 - Spread the buttercream over the cooled brownies. Chill for 20 minutes for cleaner slices, then lift from the pan and cut into 16 squares.

# Good to know:

01 - For clean cuts, chill the frosted brownies briefly and wipe the knife between slices.
02 - Best texture comes from slightly underbaking and cooling completely before frosting.

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