Reese’s Peanut Butter Blondies

If you're a peanut butter lover, these Reese's Peanut Butter Blondies are about to become your new favorite dessert. Packed with creamy peanut butter, Reese's Pieces, and peanut butter chips, these rich and chewy blondies deliver the perfect balance of sweet, salty, and chocolatey flavors in every bite.

The best part? They're incredibly easy to make with simple pantry ingredients and come together in just one bowl. Whether you're baking for a party, a family gathering, or simply satisfying a peanut butter craving, these blondies are guaranteed to disappear fast.

Why You'll Love These Reese's Peanut Butter Blondies

• Rich, chewy blondie texture with perfectly soft centers.

• Loaded with peanut butter flavor in every bite.

• Reese's Pieces add a fun crunch and pop of color.

• Easy one-bowl recipe with minimal cleanup.

• Perfect for bake sales, holidays, parties, and weeknight treats.

• Ready with simple ingredients you may already have on hand.

What You'll Need

For the full ingredient amounts and instructions, scroll down to the recipe card.

• Salted butter

• Brown sugar

• Peanut butter

• Eggs

• Vanilla extract

• All-purpose flour

• Baking powder

• Salt

• Reese's Peanut Butter Chips

• Reese's Pieces

The Secret to Perfect Blondies

The key to achieving that classic chewy blondie texture is avoiding overmixing once the flour is added. Mix only until the dry ingredients are incorporated. Overmixing can create a denser texture instead of the soft, fudgy blondies we're aiming for.

Another important tip is to allow the melted butter to cool slightly before mixing it with the eggs. This helps create a smooth batter and prevents the eggs from scrambling.

Tips for Success

Use Room Temperature Eggs

Room temperature eggs blend more easily into the batter, creating a smoother texture and helping the blondies bake evenly.

Don't Overbake

The blondies may still look slightly soft in the center when they're done baking. That's exactly what you want. They'll continue to set as they cool, giving you a perfectly chewy center.

Add Extra Toppings After Baking

For that bakery-style finish, gently press a few extra Reese's Pieces and peanut butter chips onto the top of the blondies immediately after they come out of the oven.

Let Them Cool Before Cutting

Allowing the blondies to cool completely helps them set properly and creates cleaner slices.

Line Your Pan with Parchment Paper

A parchment paper sling makes removing the blondies from the pan incredibly easy and helps prevent sticking.

Variations

Add Chocolate Chips

Mix in semi-sweet or milk chocolate chips for even more chocolate flavor.

Use Crunchy Peanut Butter

For added texture, substitute creamy peanut butter with crunchy peanut butter.

Drizzle with Peanut Butter

Warm a few tablespoons of peanut butter and drizzle it over the cooled blondies before serving.

Add Mini Reese's Cups

Fold chopped Reese's Peanut Butter Cups into the batter for an extra indulgent treat.

Storage

Store leftover blondies in an airtight container at room temperature for up to 4 days.

For longer storage, freeze individual slices in an airtight container for up to 3 months. Thaw at room temperature before serving.

Frequently Asked Questions

Can I use natural peanut butter?

Traditional creamy peanut butter works best for this recipe. Natural peanut butter can separate and may affect the final texture.

Can I double this recipe?

Yes! Double the ingredients and bake in a 9x13-inch pan. You may need to add a few extra minutes to the baking time.

More Peanut Butter Desserts You'll Love

If you're as obsessed with peanut butter as I am, be sure to check out some of my other peanut butter-inspired recipes. They're perfect for satisfying any sweet tooth and always a crowd favorite. Leave a comment below if you make these blondies.

• Nutter Butter Cookie Bars

• No-Bake Nutter Butter Cheesecake Bars

• Peanut Butter Blondies

• Reese’s Peanut Butter Cookies

• Stuffed Peanut Butter Cookies

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Reese's Peanut Butter Blondies

Yield: 16

Author: Jaegar Desjardin

Prep time: 15 MinCook time: 30 MinTotal time: 45 Min

Rich, chewy blondies swirled with creamy peanut butter and loaded with chunks of Reese’s for the ultimate sweet-and-salty treat. Every bite is soft, buttery, and packed with that classic chocolate-peanut butter flavor combo everyone loves.

Ingredients

• ½ cup Salted Butter (melted)
• 1 cup Brown Sugar
• 1/2 cup peanut butter
• 2 Eggs (room temperature)
• 1 tbsp Vanilla Extract
• 1 cup of All-Purpose Flour
• ¼ tsp of Baking Powder
• ½ tsp Salt
• 1/2 cup Reese's Peanut Butter Chocolate Chips, plus a few extra for topping.
• 1/2 cup Reese's Pieces, plus a few extra for topping.

Instructions

1. Preheat the oven to 350°F and line a 9x9-inch pan with parchment paper.
2. Melt the ½ cup of butter and allow it to cool slightly.
3. Add the melted butter, brown sugar, and peanut butter to a mixing bowl and mix with a spatula until combined.
4. Add the eggs and vanilla extract and mix until just combined.
5. Use a spatula to scrape down the sides and add the flour, baking powder, and salt. Fold the ingredients together until only a few streaks of flour remain; don't overmix.
6. Next, add the Reese's Pieces and peanut butter chocolate chips and incorporate them into the dough. Then add the batter to the baking pan.
7. Bake for 30-35 minutes or until the edges are golden brown.
8. (Optional) When out of the oven, carefully top with extra Reese's Pieces and peanut butter chips. Allow to cool before enjoying.

Equipment

1. 9x9 baking pan
2. Parchment paper
3. Wire rack
4. Spatula
5. Bowl