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Brownie Cookie Sandwich with Peanut Butter Frosting Recipe

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★★★★★

5 from 106 reviews

Indulge in these decadent Brownie Cookie Sandwiches filled with a creamy peanut butter frosting. Combining the fudgy richness of chocolate brownie cookies with a smooth, fluffy peanut butter frosting, this dessert is perfect for satisfying your sweet tooth. Baked to perfection and assembled into delightful sandwich treats, they offer a chewy, moist, and wonderfully chocolaty experience with a nutty twist.

Ingredients

Scale

Brownie Cookies

  • 1 stick / 1/2 cup / 115g unsalted butter, cut into chunks
  • 10 oz / 300g dark chocolate chips (or buttons, melts, or block chocolate cut into chunks)
  • 1 cup + 2 tbsp caster sugar
  • 3 eggs
  • 2 tbsp cocoa powder
  • 1 tsp vanilla extract
  • 1/2 tsp salt
  • 1/2 tsp baking powder
  • 3/4 cup plain flour
  • 1/2 cup dark chocolate chips

Peanut Butter Frosting

  • 1 cup smooth peanut butter
  • 1 cup confectioners’ sugar (icing sugar)
  • 2.5 oz / 5 tbsp / 70g / 2/3 stick unsalted butter, softened
  • 3/4 tsp vanilla extract
  • 1/4 tsp salt
  • 1/3 cup heavy cream (unwhipped pouring cream)

Instructions

  1. Preheat and Prepare Baking Trays: Preheat your oven to 180°C (350°F). Line two baking trays with parchment or baking paper for easy cleanup and to prevent sticking.
  2. Melt Butter and Chocolate: Pour about 1 inch (2.5 cm) of water into a large saucepan or small pot and bring it to a simmer over medium-low heat. Place a heatproof bowl over the simmering water to create a double boiler. Add the 115g butter and 300g dark chocolate chips to the bowl and stir until melted and smooth.
  3. Mix Eggs, Sugar, and Cocoa: While the butter and chocolate are melting, beat the 3 eggs, cocoa powder, and caster sugar together in a bowl using an electric mixer on high speed for 3 minutes until well combined and fluffy.
  4. Combine Chocolate with Egg Mixture: Pour one-third of the melted chocolate mixture into the egg batter and mix well. Then add the remaining melted chocolate and stir again to incorporate fully.
  5. Add Vanilla, Salt, Baking Powder: Mix in the vanilla extract, salt, and baking powder until everything is evenly combined.
  6. Fold in Flour and Chocolate Chips: Gradually add the plain flour, mixing just until combined; avoid overmixing to keep the batter tender. Fold in the additional 1/2 cup of dark chocolate chips gently.
  7. Portion the Cookies: Drop the batter onto the prepared baking trays. For large cookies, spoon 2 tablespoons per cookie, spaced 2 inches (5 cm) apart. For normal-sized cookies, use 1 tablespoon of batter per cookie.
  8. Bake the Cookies: Bake large cookies for 15 minutes if you prefer them very soft, or 17 to 20 minutes for a firmer texture. Bake smaller cookies for 10 to 12 minutes for soft results, or up to 15 minutes for firmer but still moist cookies.
  9. Cool the Cookies: Let the baked cookies rest on the trays for 5 to 10 minutes, then carefully transfer them to a cooling rack to cool completely.
  10. Prepare Peanut Butter Frosting: In a stand mixer bowl fitted with the paddle attachment, add the peanut butter, confectioners’ sugar, softened butter, vanilla extract, and salt. Beat on high for 5 minutes until creamy, scraping down the sides as needed. Pour in the heavy cream and continue beating for another 2 minutes until the frosting is fluffy.
  11. Assemble the Sandwiches: Spread a generous amount of peanut butter frosting onto the bottom of one cookie, then sandwich it with another cookie. Repeat this process with all remaining cookies to form sandwiches.

Notes

  • For softer cookies, bake for the shorter recommended time; for firmer cookies, bake longer but still moist.
  • Use good quality dark chocolate for the best flavor in the brownie cookies.
  • The frosting can be made with a hand mixer if you don’t have a stand mixer, but it may take a few extra minutes to achieve fluffiness.
  • You can refrigerate the assembled cookie sandwiches for firmer frosting or keep them at room temperature for a softer texture.
  • Ensure the cookies are fully cooled before frosting to prevent melting the frosting.

Keywords: brownie cookie sandwiches, peanut butter frosting, chocolate cookies, dessert sandwich, easy baking, chocolate peanut butter treat

Find it online: https://kitchenbyclara.com/brownie-cookie-sandwich-with-peanut-butter-frosting-recipe/