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    Home » Dessert

    Published: Mar 11, 2020 · Modified: Sep 2, 2021 by Cynthia · This post may contain affiliate links · Leave a Comment

    Peanut Butter Stuffed Brownies

    Jump to Recipe - Print Recipe

    Take the best brownies you’ve ever had, fill them with the peanut butter filling from that candy you love so much, and you have an irresistible chocolate treat!

    Peanut butter stuffed brownies on parchment paper.

    These Peanut Butter Stuffed Brownies are a peanut butter and chocolate lover’s DREAM! This recipe is a combination of my amazing Classic Fudge Brownies recipe (which is, honestly, the best. I know everyone says that, but... I’m right) and that amazing peanut butter filling you find in peanut butter cup candies.

    I mean, c’mon! It’s dumb how delicious these are. All you have to do is make the filling, pat it out into a square, freeze it for 10-15 minutes, then pop that baby right in between two layers of brownie batter. Bake it, eat it, and swoon.  Oh my.

    This recipe makes between 1 and 32 Peanut Butter Stuffed Brownies, depending on how you cut them. (What I mean is, this can be a single serving recipe if you need a pick-me-up. Go ahead. I give you permission.)

    Need more chocolate in your life?

    • Classic Fudge Brownies
    • Peanut Butter Rice Krispie Brownies
    • Rocky Road Chocolate Shortbread Bars
    • My Ultimate Chocolate Chip Cookie

    Peanut butter stuffed brownies on parchment paper.

    Peanut Butter Stuffed Brownies

    Take the best brownies you’ve ever had, fill them with the peanut butter filling from that candy you love so much, and you have an irresistible chocolate treat!
    No ratings yet
    Author: Cynthia
    Print Recipe Pin Recipe
    Prep Time 20 mins
    Cook Time 35 mins
    Total Time 55 mins
    Course Dessert, Snack
    Cuisine American
    Servings 16 pieces

    Ingredients
     

    Brownie Batter

    • 1 stick unsalted butter
    • 3 oz bittersweet chocolate (70% is my preference, but at least 60% to avoid too much sweetness, especially with the peanut butter filling)
    • 1 teaspoon espresso powder or instant coffee crystals
    • ¾ cup all-purpose flour
    • ¾ cup dark cocoa powder
    • ½ teaspoon baking powder
    • ½ teaspoon fine grain salt
    • 3 large eggs, room temperature
    • ¾ cup granulated sugar

    Peanut Butter Filling

    • ¾ cup creamy peanut butter
    • ¾ cup confectioners sugar
    • 2 tablespoon milk (I used whole milk, but any milk will do)

    Etcetera

    • 2 tablespoon each of chocolate chips (milk chocolate if you have it) and peanut butter chips

    Instructions

    • Preheat oven to 350°. Spray an 8x8” baking pan with non-stick spray and line with parchment paper, allowing some to hang over the sides to act as handles for lifting the brownies out at the end. If that makes ABSOLUTELY no sense to you, just really spray your pan really, really well. The brownies will come out. Pretty sure. Melt butter in a small saucepan. Add chocolate and espresso to the melted butter and stir until melted and well mixed. Allow to cool.
    • While the chocolate is cooling, let’s make the peanut butter filling. Place all the filling ingredients in a medium bowl and, using a hand mixer, beat everything together until mixed very well. It will have the texture of a shortbread cookie dough, and that’s exactly what you want. Now it’s time to press the dough into a 7.5” inch square. Here’s a good way to do that: Draw a 7.5” square on a piece of parchment paper with a pencil, then turn the paper upside down. (No graphite in our peanut butter, thank you.) You should still be able to see the square through the paper. Plop the peanut butter filling inside of the square, and place another piece of parchment on top of it. Peanut butter parchment sandwich. Using a rolling pin, gently press the peanut butter filling into the square shape. Finally, take your peanut butter parchment sandwich and place it on a small baking sheet or cutting board, then place it in the freezer to firm up while we finish up the brownies.
    • Sift flour, salt, baking powder, and cocoa powder together. Set aside.
    • Combine eggs and sugar in stand mixer and, using the whisk attachment, whip together for about 3-4 minutes, until the mixture thickens and lightens in color. Using really well whipped eggs like this helps to give the brownies their traditional “crackly paper” top. I love that part 😍
    • Drizzle the cooled chocolate mixture into the eggs and sugar and combine until completely incorporated. Remove the bowl from the mixer and, using a silicone or rubber spatula, fold the flour mixture in by hand just until the last bits of flour have completely mixed in. I don’t use a mixer for this part because over-mixing the flour can lead to too much gluten development. That’s just fancy baking talk for “it will make your brownies tough and chewy.” No thank you.
    • Place half of the batter in the prepared pan and, using a small offset spatula or your fingers, press it into all the corners and get it as flat as possible. Take your peanut butter filling out of the freezer and peel off the parchment paper. You should then be able to lay it precisely in the center of the pan, right on top of the batter.
    • Spread the remaining brownie batter evenly on top of the filling, making sure to get batter all along the edges, effectively “sealing in” your filling. Sprinkle your chocolate and peanut butter chips evenly over the top give them a teensy push into the surface. Oh, I’m so excited for you!
    • Bake in a 350° oven for 30-35 minutes, turning the pan around half way through. I start checking at 25 minutes so I don’t over bake cuz no one wants a dry brownie. How do you know when a brownie is done? Tricky question, since a toothpick inserted in the center will always come out with some chocolate on it, but this is my take. When they are done the edges of the brownies will be definitely set and the center will have no jiggle. You may also start to see some of the crackling of the top, usually near the edges as well. (They’ll finish their crackle as they cool and as you cut them.) Best bet? Take them out as soon as you see these signs since they’ll continue cooking in the pan for a few minutes. Please, oh please, allow these to cool in the pan for at least 30 minutes to an hour. I know, I KNOW your instinct is to get these in your mouth at Olympic speeds, but you want to let that beautiful filling set a bit. You also want the brownies to cool down a little so you don’t have to do the dog pant when chewing. The wait will be worth it. Okay, GO!

    The nutritional and caloric information shown is an estimate provided by an online nutrition calculator. It does not assert or suggest that readers should or should not count calories, and should not be considered a substitute for a professional nutritionist’s or doctor’s counseling.

    Tried this recipe?Mention @butfirst_webrunch or tag #butfirstwebrunch!

    More Dessert

    • Salted Caramel Brownies
    • Classic Fudge Brownies
    • Chocolate Espresso Cupcakes with Peanut Butter Frosting
    • Rocky Road Chocolate Shortbread Bars

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    Hi, I'm Cynthia! In our house, we get up with the sun and most of us don't stop working until late in the night, so breakfast and brunch are our family meals. So join me at the kitchen counter, where I cook up delicious food for my busy family, starting first thing in the morning!

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