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The Best Peanut Butter Chocolate Brownies

The memory still makes me smile: a cramped dorm room, late at night, fueled by frantic studying and the desperate need for a chocolate fix. A box of brownie mix, a jar of peanut butter staring back at me from the communal fridge – inspiration struck. It wasn’t gourmet, but that messy, improvised creation of peanut butter frosting slathered on fudgy brownies saved many all-nighters. This recipe is a polished, perfected version of that college staple – just as comforting, but significantly more delicious.

Recipe Overview

Prep Time: 30 minutes (includes chilling)
Cook Time: 30-35 minutes
Total Time: 1 hour 30 minutes
Yields: 36 brownies
Serves: 36
Dietary Type: Vegetarian

Ingredients

1 low-fat brownie mix (or use a regular one)
1/4 cup egg substitute
1 tablespoon canola oil (or any neutral oil)
1 (12 ounce) container white frosting (or vanilla)
1/2 cup creamy peanut butter (or reduced fat)
6 ounces dark chocolate chips
2 tablespoons butter (or margarine)

Equipment Needed

13×9 inch baking pan
Electric mixer
Microwave-safe bowl
Measuring cups and spoons
Rubber spatula
Knife for cutting

Instructions

Prepare the brownie batter: In a large bowl, combine the brownie mix, egg substitute, canola oil, and the amount of water specified on the brownie mix packaging. Mix until just combined, being careful not to overmix. Overmixing can result in tough brownies.
Bake the brownies: Pour the brownie batter into a greased 13×9 inch baking pan. Bake according to the brownie mix instructions. Generally, this will be around 30-35 minutes at 350°F (175°C). To check for doneness, insert a toothpick into the center of the brownies. If it comes out with a few moist crumbs attached, the brownies are done. Avoid overbaking, as this will result in dry brownies.
Cool the brownies: Once the brownies are baked, remove them from the oven and let them cool completely in the pan. This usually takes about an hour. Cooling the brownies completely is crucial for even frosting and prevents the frosting from melting.
Make the peanut butter frosting: In a large bowl, combine the white frosting and peanut butter. Use an electric mixer to beat the frosting and peanut butter together until smooth and creamy. The mixture will be quite thick, which is perfectly fine.
Frost the brownies: Once the brownies are completely cool, spread the peanut butter frosting evenly over the top. Don’t worry if it’s a bit thick; that’s part of the charm!
Prepare the chocolate ganache: In a microwave-safe bowl, combine the dark chocolate chips and butter. Microwave on high for approximately 1 to 2 minutes, stirring every 30 seconds, until the chocolate is melted and smooth. Be careful not to burn the chocolate. If necessary, microwave in shorter intervals.
Cool the ganache: Allow the chocolate mixture to cool for about 10 minutes before spreading it over the peanut butter frosting. This will prevent the frosting from melting and create a smoother, more even layer.
Spread the ganache: Pour the slightly cooled chocolate ganache over the peanut butter frosting. Use a spatula to spread it evenly over the entire surface.
Chill and set: Place the brownies in the refrigerator for at least 30 minutes to allow the chocolate ganache to set. This will make the brownies easier to cut and prevent the ganache from smearing.
Cut and serve: Once the brownies are chilled, remove them from the refrigerator and cut them into small squares. These brownies are rich, so smaller portions are recommended (though you might want two!).

Expert Tips & Tricks

For extra fudgy brownies: Slightly underbake the brownies. They should still be moist in the center.
Level Up the Flavor: Add a pinch of sea salt to the top of the chocolate ganache to enhance the sweetness and create a more complex flavor profile.
To prevent sticking: Line the baking pan with parchment paper, leaving an overhang on the sides. This will make it easy to lift the brownies out of the pan once they are cooled.
Adjust sweetness: If you prefer a less sweet brownie, use a dark chocolate brownie mix or add a tablespoon of unsweetened cocoa powder to the batter.
Peanut Butter Swirls: For a marbled effect, reserve some of the peanut butter frosting and swirl it into the brownie batter before baking.
Ganache Perfection: If your ganache seizes (becomes grainy), add a tablespoon of hot water and whisk vigorously until smooth.

Serving & Storage Suggestions

These brownies are best served chilled. Cut them into small squares and arrange them on a platter. A sprinkle of flaky sea salt or chopped peanuts adds a nice finishing touch.

Store leftover brownies in an airtight container in the refrigerator for up to 5 days. You can also freeze them for up to 2 months. To freeze, wrap the brownies individually in plastic wrap and then place them in a freezer-safe bag. Thaw the brownies in the refrigerator before serving. They are delicious straight from the fridge or allowed to come closer to room temperature.

Nutritional Information

Nutrient	Amount per Serving	% Daily Value
Calories	93.8 kcal	N/A
Calories from Fat	52 g	56%
Total Fat	5.8 g	8%
Saturated Fat	1.9 g	9%
Cholesterol	1.7 mg	0%
Sodium	42 mg	1%
Total Carbohydrate	10.1 g	3%
Dietary Fiber	0.5 g	1%
Sugars	8.9 g	35%
Protein	1.3 g	2%

Note: Nutritional information is an estimate and may vary based on specific ingredients and portion sizes.

Variations & Substitutions

Gluten-Free: Use a gluten-free brownie mix and ensure all other ingredients are gluten-free.
Vegan: Substitute the egg substitute with a flax egg (1 tablespoon ground flaxseed mixed with 3 tablespoons water). Use vegan frosting and vegan butter.
Different Nut Butters: Try using almond butter, cashew butter, or sunflower seed butter instead of peanut butter.
Extracts: Add a teaspoon of vanilla extract or almond extract to the peanut butter frosting for added flavor.
Chocolate Variations: Use milk chocolate chips or white chocolate chips instead of dark chocolate chips. You can also add chopped nuts, pretzels, or toffee bits to the brownie batter.
Espresso Boost: Add a teaspoon of instant espresso powder to the brownie batter for a mocha flavor.

FAQs (Frequently Asked Questions)

Q: Can I use a regular brownie mix instead of a low-fat one?
A: Absolutely! A regular brownie mix will result in a richer, more decadent brownie.

Q: My peanut butter frosting is too thick. What can I do?
A: Add a tablespoon or two of milk or cream to the frosting and mix until it reaches the desired consistency.

Q: Can I make these brownies ahead of time?
A: Yes, these brownies can be made a day or two in advance. Store them in the refrigerator until ready to serve.

Q: How do I prevent the chocolate ganache from cracking?
A: Allow the ganache to cool slightly before spreading it over the frosting, and chill the brownies in the refrigerator for at least 30 minutes to allow the ganache to set properly.

Q: Can I add sprinkles to the top of the brownies?
A: Of course! Add sprinkles to the chocolate ganache immediately after spreading it, before it sets.

Final Thoughts

So go ahead, preheat your oven, and gather your ingredients. These Peanut Butter Chocolate Brownies are more than just a dessert; they’re a comforting hug in every bite, a reminder of late-night cravings satisfied, and a perfect treat to share (or not!) with loved ones. Don’t be afraid to experiment with variations, and most importantly, enjoy the process of creating something delicious. I’d love to hear about your baking adventures and any creative twists you add to this recipe, so please share your feedback! These brownies pair perfectly with a cold glass of milk or a warm cup of coffee for the ultimate indulgence.

The Best Peanut Butter Chocolate Brownies Recipe