Are you ready to indulge in a rich and decadent treat? You’re in for a real delight with these Peanut Butter Reese’s Brownies! With creamy peanut butter, gooey chocolate, and chunks of Reese’s, every bite satisfies your sweet tooth. I’ll guide you through every step, from gathering the right ingredients to baking the perfect fudgy texture. Let’s make these brownies a star at your next gathering!
Why I Love This Recipe
- Decadent Flavor Combination: The rich chocolate pairs perfectly with creamy peanut butter, creating an irresistible dessert that satisfies all cravings.
- Easy to Make: This recipe is straightforward and requires minimal prep time, making it perfect for both novice and experienced bakers.
- Fudgy Texture: Baking them just right ensures a moist, fudgy texture that melts in your mouth, a true brownie lover's dream.
- Perfect for Sharing: With 12 servings, these brownies are great for parties, potlucks, or simply sharing with friends and family.
Ingredients
List of Ingredients
- 1 cup unsalted butter, melted
- 2 cups granulated sugar
- 1 cup brown sugar, packed
- 4 large eggs
- 1 tablespoon vanilla extract
- 1 cup all-purpose flour
- 1 cup unsweetened cocoa powder
- 1 teaspoon baking powder
- 1 teaspoon salt
- 1 cup creamy peanut butter
- 1 cup Reese’s Peanut Butter Cups, chopped
- 1/2 cup semi-sweet chocolate chips
Optional Ingredients and Substitutes
You can use crunchy peanut butter for a fun twist. Dark chocolate chips can replace semi-sweet chips for richer flavor. If you prefer a less sweet brownie, cut down the sugar by half a cup. You can also add chopped nuts for extra crunch.
Tools Needed for Preparation
- Large mixing bowl
- Whisk
- Microwave-safe bowl
- 9x13-inch baking dish
- Parchment paper (optional)
- Spatula or wooden spoon
- Measuring cups and spoons
- Toothpick for testing doneness

Step-by-Step Instructions
Preheating the Oven and Preparing the Baking Dish
First, set your oven to 350°F (175°C). This temperature helps the brownies bake evenly. Next, grab a 9x13-inch baking dish. You can grease it with butter or line it with parchment paper. This step makes it easier to remove the brownies later.
Mixing Wet Ingredients
In a large bowl, mix the melted butter, granulated sugar, and brown sugar. Stir these until the mixture is smooth and creamy. Now, add the eggs one by one. Make sure to mix well after each egg. Finally, pour in the vanilla extract and stir again. This creates a rich base for your brownies.
Combining Dry Ingredients and Folding Mixtures
In another bowl, whisk together the flour, cocoa powder, baking powder, and salt. This mixture adds structure and flavor. Now, slowly fold the dry mix into the wet mix. Be gentle here; you do not want to overmix. This helps keep the brownies soft and fudgy.
Tips & Tricks
Best Practices for Achieving Fudgy Brownies
To get that rich, fudgy texture, use quality chocolate. Melted chocolate adds depth and moisture. Mix your batter gently. Overmixing can add air, making the brownies cake-like. Use room temperature eggs for better mixing. This helps the batter blend smoothly. Lastly, bake just until a toothpick shows some moist crumbs.
How to Properly Measure Ingredients
Accurate measurements matter for great brownies. For dry ingredients, use a spoon to scoop and level. Don’t pack the flour or cocoa. For sticky ingredients like peanut butter, spray your measuring cup with oil first. This helps it slide out easily. Always weigh ingredients if you can. A kitchen scale gives you the best results.
Storing Leftover Brownies for Freshness
To keep your brownies fresh, store them in an airtight container. Place parchment paper between layers to avoid sticking. If you have many brownies, freeze them! Wrap each brownie in plastic wrap and place them in a freezer bag. They can last up to three months. Thaw at room temperature when you’re ready to enjoy.
Pro Tips
- Use Room Temperature Ingredients: Allow your eggs and butter to come to room temperature before mixing. This will help create a smoother batter and enhance the overall texture of the brownies.
- Don’t Overmix the Batter: When combining the wet and dry ingredients, mix until just combined. Overmixing can lead to denser brownies rather than the desired fudgy texture.
- Experiment with Chocolate Types: Feel free to mix different types of chocolate chips (like milk chocolate or white chocolate) for a unique flavor profile in your brownies.
- Store Properly for Freshness: To keep your brownies fresh, store them in an airtight container at room temperature for up to a week. You can also freeze them for longer storage.
Variations
Adding Nuts or Other Candy Options
You can make these brownies even more fun! Add nuts like walnuts or pecans for a nice crunch. Mix in chopped peanuts for that extra peanut taste. You can also toss in mini chocolate chips or even caramel bits. The goal is to enhance the texture and flavor. Just make sure to keep the total amount of mix-ins around one cup for the best results.
Gluten-Free or Vegan Modifications
Want a gluten-free version? Substitute regular flour with almond flour or gluten-free flour blend. For a vegan option, replace the eggs with flax eggs. Use a mixture of ground flaxseed and water. You can also swap the butter for coconut oil or vegan butter. Just ensure that all other ingredients are dairy-free. This way, everyone can enjoy your delicious brownies!
Different Frosting or Topping Choices
Frosting can add a special touch! Try a simple chocolate ganache made with dark chocolate and coconut milk. If you prefer, a peanut butter frosting can also work great. You can simply mix peanut butter with powdered sugar and a splash of milk. For toppings, consider drizzling extra peanut butter or chocolate syrup. A sprinkle of sea salt on top can elevate the flavor even more!
Storage Info
Short-term Storage Tips
To keep your Peanut Butter Reese’s Brownies fresh, store them in an airtight container. Place a piece of parchment paper between layers to prevent sticking. They stay tasty at room temperature for about three days. If you want them to last longer, refrigerate them. They will stay good for up to a week in the fridge.
Freezing Instructions and Duration
Freezing your brownies is a great way to save some for later. Cut them into squares first. Wrap each square in plastic wrap, then place them in a freezer bag. This helps keep them fresh. You can freeze them for up to three months. Just make sure to label the bag with the date.
How to Thaw Frozen Brownies
To thaw frozen brownies, take them out of the freezer and unwrap them. Place them on a plate at room temperature. Let them sit for about 30 minutes. If you want them warm, pop them in the microwave for 10-15 seconds. This will make them taste fresh and gooey again!
FAQs
Can I use crunchy peanut butter instead of creamy?
Yes, you can use crunchy peanut butter. It adds a nice texture. The bites of peanuts will give your brownies a fun crunch. Just keep in mind that it will change the smoothness of the batter. If you love that extra crunch, go for it!
How do I know when the brownies are done?
To check if the brownies are done, insert a toothpick into the center. If it comes out with a few moist crumbs, they are ready. If it comes out clean, they may be overbaked. Remember, fudgy brownies should not be dry!
Where can I buy pre-made Peanut Butter Reese’s Brownies?
You can find pre-made Peanut Butter Reese’s Brownies at many bakeries and dessert shops. Some grocery stores may also carry them in their bakery section. You can also look online for local shops or delivery services that offer these tasty treats.
We covered the key ingredients, tools, and step-by-step instructions for making delicious brownies. You learned tips for fudginess, measuring ingredients, and storing leftovers. Plus, we explored variations and answered common questions. Remember, baking is fun, so don’t be afraid to try new twists. Enjoy your brownie-making journey, and impress everyone with your tasty treats!