Name: Reeses Pieces Chocolate Chip Cookie Bars Recipe
Prep time: 15 min
Cook time: PT-486361H57M34S
Total time: PT-486361H57M34S
Yield: 24
Cuisine: American
Ingredients: 2 1/2 cups all-purpose flour; 1 cup unsalted butter, softened; 1 cup chocolate chips; 1 cup Reeses Pieces candies; 1 cup light brown sugar; 1/2 cup granulated sugar; 2 large eggs; 1 teaspoon vanilla extract; 1 teaspoon baking soda; 1/2 teaspoon salt

Crafting the ultimate reeses pieces chocolate chip cookie bars requires a magical blend of nostalgia and pure deliciousness.

Sweet memories of childhood treats dance alongside rich chocolate notes in this irresistible dessert.

Chunky peanut butter candies nestled within soft, chewy cookie dough create an indulgent experience.

Unexpected flavor combinations make this recipe a crowd-pleasing sensation that sparks immediate excitement.

Layers of chocolate and peanut butter candies promise a delightful texture in every single bite.

Simple ingredients and straightforward preparation mean you can whip up these bars quickly.

Prepare to delight everyone around the table with this seriously addictive sweet treat.

Blast of Flavor Fusion: Combine the classic chocolate chip cookie with the beloved Reese's Pieces for a taste explosion that delights both kids and adults.
Super Simple Preparation: Mix, spread, and bake with minimal steps, making this recipe perfect for bakers of all skill levels, from beginners to seasoned pros.
Crowd-Pleasing Dessert: Ideal for parties, potlucks, and family gatherings, these bars bring instant joy and satisfy sweet cravings with their irresistible chocolate and peanut butter candy combo.
Versatile Treat Option: Serve as an after-school snack, weekend dessert, or pack in lunchboxes for a special midday surprise that's sure to bring smiles.

Base Ingredients:

All-Purpose Flour: The foundational dry ingredient that provides structure to the cookie bars.
Butter: Adds rich flavor and creates a tender, soft texture.
Granulated Sugar: Provides sweetness and helps with caramelization.
Light Brown Sugar: Brings moisture and a deep, caramel-like sweetness to the bars.

Binding Ingredients:

Eggs: Help bind the ingredients together and add richness.
Vanilla Extract: Enhances the overall flavor profile of the cookie bars.

Flavor and Texture Enhancers:

Chocolate Chips, Reeses Pieces: Add delightful bursts of chocolate and peanut butter candy throughout the bars.
Baking Soda: Helps the bars rise and creates a soft, tender texture.
Salt: Balances the sweetness and intensifies the overall flavor.

Step 1: Warm Up The Oven

Crank your oven to a toasty 350°F (175°C). Grab a 9×13 inch baking pan and give it a quick spray or butter coating so nothing sticks.

Step 2: Create A Creamy Base

In a big mixing bowl, whip together:

Softened butter
Light brown sugar
Granulated sugar

Beat these until they transform into a fluffy, dreamy mixture that looks like pure happiness.

Step 3: Add Moisture And Flavor

Crack in the eggs one at a time, mixing thoroughly after each addition. Pour in the vanilla extract and blend until everything looks smooth and inviting.

Step 4: Mix Dry Ingredients

In a separate bowl, combine:

All-purpose flour
Baking soda
Salt

Gently incorporate these dry ingredients into your wet mixture, stirring until just combined. Don’t overmix!

Step 5: Sprinkle In The Fun

Carefully fold in your chocolatey friends:

Chocolate chips
Reeses Pieces

Distribute them evenly throughout the dough for maximum deliciousness.

Step 6: Prepare For Baking

Spread the dough evenly into your prepared pan, making sure it reaches all corners.

Step 7: Bake To Perfection

Slide the pan into the preheated oven. Bake for 25-30 minutes until the edges turn a gorgeous golden brown. To check doneness, insert a toothpick – it should come out clean.

Step 8: Cool And Slice

Let the bars cool completely in the pan. Once cooled, slice into squares and enjoy your sweet creation!

Ensure butter is softened at room temperature for smooth, creamy mixing without lumps.
Avoid overmixing the dough to keep bars tender and prevent tough texture.
Sprinkle extra Reeses Pieces on top before baking for a more colorful, decorative finish.
Let cookies cool completely to allow them to set and develop a perfect chewy consistency.
Store bars in an airtight container at room temperature for up to 5 days to maintain freshness.

Peanut Butter Swirl Bars: Drizzle melted peanut butter over the batter before baking, creating rich marbled patterns throughout the cookie bars.
M&M Cookie Bars: Replace Reeses Pieces with colorful M&M candies for a rainbow-like appearance and different candy crunch.
Nutty Chocolate Chip Bars: Mix chopped pecans or walnuts into the batter for added texture and nutty flavor complexity.
S'mores Cookie Bars: Layer mini marshmallows and graham cracker crumbs on top of the batter before baking for a campfire-inspired dessert.

Pair with Creamy Milk Stout: Complement the sweet chocolate and peanut butter notes with a smooth, rich milk stout that enhances the dessert's decadent flavors.
Serve with Vanilla Bean Ice Cream: Create a classic combination by topping warm cookie bars with a scoop of cold, creamy vanilla ice cream for contrasting temperatures and textures.
Match with Cold Glass of Whole Milk: Enjoy a traditional childhood-inspired pairing that cuts through the richness and provides a refreshing balance to the sweet, dense cookie bars.
Accompany with Caramel Macchiato: The espresso undertones and sweet caramel notes of this coffee drink beautifully highlight the chocolate and candy elements in the bars.

Store cooled cookie bars in an airtight container lined with parchment paper. Keep in the refrigerator for up to 5 days, ensuring maximum freshness and preventing moisture buildup.
Wrap individual bars tightly in plastic wrap, then place in a freezer-safe container. Freeze for up to 3 months. Thaw at room temperature for 1-2 hours before enjoying.
Warm individual bars for 10-15 seconds on medium power. Check temperature and add 5-second intervals if needed. Avoid overheating to maintain soft texture.
Preheat oven to 275F. Place bars on a baking sheet, cover loosely with foil, and warm for 5-7 minutes.

Can I use different types of chocolate chips?

Yes, you can substitute milk, dark, or white chocolate chips based on your preference. Just ensure they are of similar size to maintain the texture.

Are Reeses Pieces necessary for the recipe?

No, they’re optional. If you don’t have them, you can use other candy or skip them entirely without affecting the overall cookie bar structure.

How do I know when the bars are perfectly baked?

Look for golden brown edges and a toothpick that comes out mostly clean with a few moist crumbs. Avoid overbaking to keep the bars soft and chewy.

Can I make these bars gluten-free?

Yes, simply replace the all-purpose flour with a gluten-free flour blend. Choose a blend designed for baking to maintain the right texture and consistency.

Samantha Lee

Recipe Developer & Content Creator

Expertise

Plant-based and vegetarian recipes, Recipe testing and development, Food blogging and digital content creation, Culinary education and workshops

Education

Oregon Culinary Institute (Portland, OR)

Program: Diploma in Culinary Arts
Focus: Emphasized plant-based cooking, global cuisines, and recipe testing methodologies.

Samantha sees cooking like painting, every fresh herb, every juicy tomato, a new splash of color on a canvas.
After graduating from Oregon Culinary Institute, she blended her love of global cuisines and plant-based cooking into recipes that feel fresh, fearless, and full of heart.
Samantha’s kitchen is a place where comfort food gets a modern remix and every meal feels like a little adventure. When she’s not cooking, she’s out exploring farmers’ markets, sketching new recipe ideas, or getting her hands dirty in a community garden.