Reese’s Pieces Peanut Butter Blondies are the ultimate comfort dessert that combines the chewy texture of blondies with the iconic flavor of Reese’s candy. These delectable treats feature a buttery blondie base infused with peanut butter and studded with colorful Reese’s Pieces candy, creating a dessert that’s irresistible for anyone with a sweet tooth. If you love Reese’s Pieces Cookies or other peanut butter treats, you’ll definitely want to add these blondies to your baking repertoire.
Nutritional Benefits
While these blondies are definitely an indulgence, they do offer some nutritional benefits. The peanut butter provides protein and healthy fats, while using quality ingredients ensures you’re getting a more wholesome treat than store-bought alternatives.
| Nutrition | Amount per Serving |
|---|---|
| Calories | 315 |
| Carbohydrates | 38g |
| Protein | 5g |
| Fat | 16g |
| Fiber | 1g |
| Sugar | 26g |
Ingredients & Substitutions

| Ingredient | Role | Possible Substitutions |
|---|---|---|
| ½ cup unsalted butter | Provides richness and moisture | Coconut oil, vegan butter |
| ¾ cup smooth peanut butter | Creates flavor and helps with texture | Almond butter, sun butter for allergies |
| ¾ cup brown sugar | Sweetness and chewy texture | Coconut sugar, light brown sugar |
| ¼ cup granulated sugar | Adds sweetness and structure | Raw cane sugar, monk fruit sweetener |
| 2 large eggs | Binding and structure | Flax eggs (2 Tbsp ground flax + 6 Tbsp water) |
| 1 tsp vanilla extract | Enhances flavor | Almond extract (use ¼ tsp) |
| 1¼ cups all-purpose flour | Structure | 1:1 gluten-free flour blend |
| ½ tsp baking powder | Leavening | No direct substitute needed |
| ¼ tsp salt | Balances sweetness | Sea salt |
| 1 cup Reese’s Pieces | Flavor and texture contrast | Mini peanut butter cups, chocolate chips |
| ½ cup peanut butter chips (optional) | Extra peanut butter flavor | White chocolate chips, butterscotch chips |
Equipment Needed
– 9×9 inch baking pan
– Parchment paper
– Mixing bowls (large and medium)
– Electric mixer (stand or handheld)
– Silicone spatula
– Measuring cups and spoons
– Wire cooling rack
Step-by-Step Instructions

1. Prepare your pan: Preheat your oven to 350°F (175°C). Line a 9×9 inch baking pan with parchment paper, leaving some overhang on the sides for easy removal later.
2. Mix the wet ingredients: In a large bowl, cream together the softened butter and peanut butter until smooth, about 2 minutes. Add brown sugar and granulated sugar, beating until light and fluffy, about 3 minutes. Beat in eggs one at a time, then stir in vanilla extract.
3. Combine dry ingredients: In a separate medium bowl, whisk together the flour, baking powder, and salt.
4. Make the batter: Gradually add the dry ingredients to the wet mixture, mixing just until combined. Do not overmix. Gently fold in ¾ cup of the Reese’s Pieces, saving the remaining ¼ cup for topping.
5. Bake the blondies: Spread the batter evenly into the prepared pan. Sprinkle the remaining Reese’s Pieces and optional peanut butter chips on top, gently pressing them into the surface. Bake for 25-30 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs (not wet batter).
6. Cool and cut: Allow the Reese’s Pieces Peanut Butter Blondies to cool completely in the pan on a wire rack before lifting out using the parchment overhang. Cut into 16 squares for serving.
These Reese’s Pieces Peanut Butter Blondies are absolutely divine and perfect for anyone who loves the classic peanut butter and chocolate combination. The process is simple, and you’ll be rewarded with a treat that rivals any Reese’s Pieces Cookies in flavor satisfaction!
Troubleshooting & Pro Tips
– Blondies too dry? You likely overbaked them. Blondies should be slightly underbaked for the perfect chewy texture.
– Uneven baking? Rotate your pan halfway through baking time.
– For extra decadence: Drizzle melted peanut butter or chocolate over the cooled blondies.
– Cutting tip: Use a plastic knife for cleaner cuts, or chill the blondies first for cleaner slices.
– Texture secret: For extra chewy blondies, use more brown sugar than white sugar.
Storage & Make-Ahead Tips
– Counter storage: Store in an airtight container at room temperature for up to 4 days.
– Refrigerator: Keep for up to a week in an airtight container.
– Freezer: These blondies freeze beautifully! Wrap individual pieces in plastic wrap, then place in a freezer bag for up to 3 months.
– Make ahead: The batter can be prepared a day ahead and refrigerated. Let it come to room temperature for about 30 minutes before baking.
Conclusion
These Reese’s Pieces Peanut Butter Blondies are the perfect treat for any occasion, from casual family desserts to potlucks and bake sales. The combination of a chewy, peanut butter-infused blondie base with the crunch and color of Reese’s Pieces creates a dessert that’s impossible to resist. For those who appreciate Reese’s Pieces Cookies and other peanut butter treats, these blondies offer a delightful variation that’s sure to become a favorite in your recipe collection. Try making these for your next gathering and watch them disappear before your eyes!

FAQ
Can I double this recipe?
Yes! Double all ingredients and use a 9×13 inch pan. Increase baking time by 5-10 minutes, checking for doneness with a toothpick.
How can I make these blondies gluten-free?
Simply substitute the all-purpose flour with a 1:1 gluten-free flour blend. Make sure your Reese’s Pieces are gluten-free as well (they typically are).
Can I use crunchy peanut butter instead of smooth?
Absolutely! Crunchy peanut butter will add extra texture to your blondies. Just be aware that the batter might be slightly thicker.
My blondies came out too cakey. What went wrong?
You might have used too much flour or overmixed the batter. Remember to measure flour correctly by spooning it into measuring cups, and mix just until ingredients are combined.
Can I add other mix-ins besides Reese’s Pieces?
Definitely! Try chopped Home Made Reese Cups, chocolate chips, or even chopped pretzels for a sweet-salty combination.
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