TRIPLE DECKER PEANUT BUTTER BROWNIES

Triple Decker Peanut Butter Brownies image

Peanut butter in every layer. [Photograph: Yvonne Ruperti] These decadent brownies have three layers of peanut butter: a peanut butter brownie base, peanut butter chocolate frosting, and a peanut butter chocolate ganache. Notes: For deep chocolate flavor, I like to use a 70% bittersweet chocolate here. Make sure brownies are completely cool before adding peanut butter layer, or the peanut butter layer will melt. After pouring the ganache layer on top, drag a small offset spatula across the ganache to make a design on top. About the Author: Yvonne Ruperti is a food writer, recipe developer, former bakery owner, and author of The Complete Idiot's Guide To Easy Artisan Bread. You can also watch her culinary stylings on the America's Test Kitchen television show. She presently lives in Singapore as a freelance writer for Time Out Singapore. Check out her blog: shophousecook.com . Follow Yvonne on Twitter. Every recipe we publish is tested, tasted, and Serious Eats-approved by our staff. Never miss a recipe again by following @SeriousRecipes on Twitter!

Provided by @MakeItYours

Number Of Ingredients 23

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Ingredients

For The Brownie Layer:
6 ounces bittersweet chocolate, finely chopped (see note above)
8 tablespoons (4 ounces) unsalted butter, cut into 1/2-inch pieces
1/2 cup (3 1/2 ounces) granulated sugar
1/2 cup (3 1/2 ounces) packed light brown sugar
1/2 teaspoon salt
1/4 cup peanut butter
2 large eggs
1 large egg yolk
1/2 teaspoon pure vanilla extract
3/4 cup ( about 3 3/4 ounces) all-purpose flour
2 tablespoons cocoa powder
For The Peanut Butter Layer:
1/2 cup plus 2 tablespoons peanut butter
6 tablespoons (3 ounces) unsalted butter, softened
1 cup (about 4 ounces) confectioners' sugar
1/2 teaspoon pure vanilla extract
1/8 teaspoon salt
For The Ganache Layer:
6 ounces bittersweet chocolate, finely chopped
1 tablespoon confectioners' sugar
2 tablespoons peanut butter
1/4 cup heavy cream

Steps:

Make brownie layer: Adjust rack to middle position and preheat oven to 350°F. Grease 8- by 8-inch baking pan and line with 8- by 14-inch piece of parchment paper, allowing both ends to overhang the edge of the pan.
In microwave or over pan of barely simmering water, heat chocolate and butter, stirring, until melted and smooth. Whisk in sugar, brown sugar, and salt. Whisk in peanut butter, eggs, yolk, and vanilla until smooth.
Sift flour and cocoa powder into small bowl. Stir into chocolate mixture until completely combined. Pour into prepared pan and smooth the top. Bake until just set and toothpick inserted into center comes out with moist crumbs, 20 to 25 minutes. Transfer to wire rack to cool completely before topping with peanut butter layer.
Meanwhile, make peanut butter layer: In standing mixer fitted with paddle attachment (or hand held mixer), beat peanut butter and butter on medium low speed until creamy. Beat in confectioners' sugar, vanilla, and salt until smooth and creamy. Spoon into pan over brownies and smooth the top. Chill while making ganache topping.
Make the ganache topping: Place chocolate, sugar, and peanut butter in medium bowl. Heat cream in microwave or on stove until just simmering. Whisk into chocolate mixture until smooth. Pour over peanut butter layer (see note above). Chill until firm, 2 to 3 hours.
To cut, run sharp knife along inside edge of pan. Grab parchment paper, lift brownies out of pan, and place on work surface. Use a large hot, wet knife to cut into squares.