Peanut Butter Oreo Bars
These Peanut Butter Oreo Bars are the ultimate indulgence for anyone who loves the combination of rich peanut butter and classic Oreo cookies. Perfect for parties, potlucks, or just a sweet treat at home, these bars are no-bake, making them an easy and quick dessert option. The thick Oreo crust, creamy peanut butter filling, and luscious chocolate topping create a delightful texture and flavor that will satisfy any sweet tooth.
Why You’ll Love This Recipe
- No-Bake Convenience: Enjoy a delicious dessert without the hassle of baking. Just mix, layer, and chill!
- Decadent Flavor: The combination of smooth peanut butter and crunchy Oreos creates an irresistible taste.
- Versatile Treat: Perfect for any occasion—birthdays, holidays, or just a casual snack.
- Easy to Make: With simple ingredients and minimal prep time, even novice bakers can whip this up.
- Shareable Delight: Cut into squares for easy serving at gatherings or as gifts for friends.
Tools and Preparation
To make your Peanut Butter Oreo Bars, you’ll need a few essential tools that will simplify the process.
Essential Tools and Equipment
- 8×8 inch pan
- Parchment paper or aluminum foil
- Mixing bowls
- Rubber spatula or wooden spoon
- Measuring cups and spoons
Importance of Each Tool
- 8×8 inch pan: This is the perfect size for creating thick bars that hold their shape well.
- Parchment paper: Helps prevent sticking and makes cleanup a breeze.
- Mixing bowls: Essential for combining your ingredients evenly.
- Rubber spatula: Ideal for scraping every bit of that delicious filling into the pan.
Ingredients
These Oreo peanut butter bars are a sweet and decadent treat if you love peanut butter cups and Oreo cookies. They’re completely no bake with a thick Oreo crust, creamy peanut butter filling, and chocolate on top.
For the Crust
- 15 Oreo cookies (not double stuffed)
- 3 tablespoons unsalted butter (42 grams) (melted)
For the Peanut Butter Filling
- 1/4 cup unsalted butter (56 grams) (softened)
- 3 tablespoons brown sugar (light or dark)
- 1/4 teaspoon salt (omit if using salted butter)
- 1 cup smooth peanut butter
- 1 2/3 cup powdered sugar (183 grams) (sifted)
For the Topping
- 6 ounces semi-sweet chocolate (170 grams) (or your favorite variety)
- 2 teaspoons shortening (or 1/2 teaspoon vegetable oil)
How to Make Peanut Butter Oreo Bars
Step 1: Prepare Your Pan
- Line an 8×8 inch pan with parchment paper or aluminum foil.
- Leave an overhang around the sides to help lift out the bars later.
Step 2: Make the Crust
- In a mixing bowl, crush the Oreo cookies until they form fine crumbs.
- Add the melted unsalted butter, mixing until well combined.
- Press this mixture firmly into the bottom of your prepared pan to create an even layer.
Step 3: Prepare the Peanut Butter Filling
- In another bowl, beat together the softened unsalted butter, brown sugar, and salt.
- Mix in the smooth peanut butter, followed by gradually adding in the sifted powdered sugar.
- Stir until you have a creamy mixture with no lumps.
Step 4: Assemble the Bars
- Spread the peanut butter filling over the crust in an even layer.
- Chill in the refrigerator while you prepare the chocolate topping.
Step 5: Make the Chocolate Topping
- Melt your choice of semi-sweet chocolate with shortening in a microwave-safe bowl in short bursts until smooth.
- Pour this melted chocolate over the chilled peanut butter layer, spreading it evenly.
Step 6: Chill & Serve
- Refrigerate for at least one hour to set completely.
- Once set, lift from the pan using parchment overhang and cut into squares to serve.
Enjoy your homemade Peanut Butter Oreo Bars!
How to Serve Peanut Butter Oreo Bars
These Peanut Butter Oreo Bars are perfect for any occasion, whether it’s a family gathering, a party, or just a sweet treat at home. Here are some serving suggestions to enhance your experience.
Pair with Ice Cream
- Vanilla Ice Cream: The classic combination of creamy vanilla ice cream complements the richness of the bars.
- Chocolate Ice Cream: For chocolate lovers, this pairing enhances the dessert’s chocolate topping.
Top with Whipped Cream
- Homemade Whipped Cream: A dollop of fresh whipped cream adds a light and airy texture to balance the sweet bars.
- Flavored Whipped Cream: Try adding a hint of vanilla or almond extract for an extra flavor kick.
Serve with Fresh Fruit
- Sliced Strawberries: Their tartness balances the sweetness of the bars beautifully.
- Bananas: Sliced bananas add a creamy texture and additional sweetness that pairs well.
Drizzle with Caramel Sauce
- Warm Caramel: Drizzling warm caramel sauce over each bar adds another layer of indulgence and flavor.
- Salted Caramel: For a touch of salty contrast, opt for salted caramel sauce.

How to Perfect Peanut Butter Oreo Bars
To ensure your Peanut Butter Oreo Bars come out perfectly every time, consider these helpful tips.
- Use room temperature ingredients: This helps create a smooth and creamy filling without lumps.
- Crush Oreos finely: For the best crust texture, crush the Oreos into fine crumbs before mixing them with butter.
- Chill long enough: Allow the bars to chill for at least 60 minutes before cutting to ensure they hold their shape.
- Experiment with toppings: Feel free to add chopped nuts or sprinkles on top for added texture and color.
- Cut with a hot knife: To get clean cuts, dip your knife in hot water and wipe it dry before slicing the bars.
Best Side Dishes for Peanut Butter Oreo Bars
Peanut Butter Oreo Bars can be enjoyed as a stand-alone dessert, but pairing them with these side dishes can elevate your dessert experience.
- Fresh Fruit Salad: A mix of seasonal fruits provides a refreshing contrast to the rich bars.
- Cheese Platter: A selection of cheeses can balance out the sweetness and add savory notes.
- Chocolate Fondue: Melted chocolate served alongside allows guests to dip fruit or pretzels for an interactive treat.
- Mini Cupcakes: Small chocolate or vanilla cupcakes make for fun mini desserts that complement the bars.
- Nutty Trail Mix: A mix of nuts and dried fruits adds crunch and balances the creaminess of the bars.
- Coffee or Tea: A warm beverage can enhance the flavors and provide a cozy finish to your meal.
Common Mistakes to Avoid
Making Peanut Butter Oreo Bars can be simple, but there are common mistakes that can affect the outcome. Here are some tips to help you avoid them.
- Using the wrong type of Oreo: Always use regular Oreo cookies, not double-stuffed. The thicker filling can make the crust too soft and difficult to handle.
- Skipping the parchment paper: Not lining your pan with parchment paper can lead to a messy removal of your bars. Always use parchment for easy lifting and cleanup.
- Not measuring ingredients correctly: Accurate measurements are crucial in baking. Use a kitchen scale for precise amounts, especially for powdered sugar and peanut butter.
- Overheating the chocolate: When melting chocolate, do so gently. Overheating can cause it to seize up, making it hard to work with. Use a double boiler or microwave in short bursts.
- Cutting bars too soon: Allow your bars to chill completely before cutting them into squares. Cutting too soon can lead to messy edges and uneven pieces.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container.
- Enjoy within 1 week for optimal freshness.
Freezing Peanut Butter Oreo Bars
- Wrap tightly in plastic wrap or aluminum foil.
- Freeze for up to 3 months. Thaw in the refrigerator before serving.
Reheating Peanut Butter Oreo Bars
- Oven: Preheat to 350°F (175°C). Place bars on a baking sheet and warm for about 5 minutes.
- Microwave: Heat individual squares on a microwave-safe plate for 10-15 seconds.
- Stovetop: Warm gently in a non-stick pan over low heat for just a few minutes.
Frequently Asked Questions
Here are some commonly asked questions about Peanut Butter Oreo Bars.
Can I use crunchy peanut butter instead of smooth?
Yes, crunchy peanut butter will add texture, but it may change the creaminess of your filling.
How do I make these bars vegan?
To make vegan Peanut Butter Oreo Bars, substitute butter with vegan alternatives and ensure your chocolate is dairy-free.
What’s the best way to cut these bars?
For clean cuts, use a sharp knife dipped in warm water, then wipe it dry between cuts.
Can I add toppings or mix-ins?
Absolutely! Feel free to sprinkle chopped nuts or drizzle extra melted chocolate on top for added flavor.
Final Thoughts
These Peanut Butter Oreo Bars are not only delightful but also incredibly versatile. You can customize them with different toppings or mix-ins based on your preferences. Give this recipe a try; it’s sure to be a hit at any gathering!
Peanut Butter Oreo Bars
Indulge in the ultimate dessert experience with these Peanut Butter Oreo Bars, a no-bake delight that perfectly marries the rich flavors of creamy peanut butter and crunchy Oreo cookies. These bars are incredibly easy to make, requiring just a few simple ingredients and minimal prep time. Ideal for parties, potlucks, or as an everyday treat, they feature a thick Oreo crust, smooth peanut butter filling, and a luscious chocolate topping that will satisfy any sweet tooth. Whether enjoyed at home or shared with friends, these bars are sure to impress!
- Prep Time: 20 minutes
- Cook Time: Chill time only (at least 60 minutes)
- Total Time: 0 hours
- Yield: Makes about 16 servings 1x
- Category: Dessert
- Method: No-Bake
- Cuisine: American
Ingredients
- 15 Oreo cookies
- 3 tablespoons unsalted butter (melted)
- 1 cup smooth peanut butter
- 1/4 cup unsalted butter (softened)
- 3 tablespoons brown sugar
- 1 2/3 cups powdered sugar
- 6 ounces semi-sweet chocolate
- 2 teaspoons shortening
Instructions
- Prepare an 8×8 inch pan by lining it with parchment paper.
- Crush the Oreo cookies into fine crumbs and mix with melted butter. Press this mixture into the bottom of the prepared pan.
- In another bowl, beat softened butter, brown sugar, and salt until combined. Mix in smooth peanut butter and gradually add sifted powdered sugar until creamy.
- Spread the peanut butter filling over the crust evenly and chill while preparing the chocolate topping.
- Melt semi-sweet chocolate with shortening in short bursts until smooth. Pour over chilled peanut butter layer and spread evenly.
- Refrigerate for at least one hour to set before lifting out of the pan using parchment overhang and cutting into squares.
Nutrition
- Serving Size: 1 bar (50g)
- Calories: 200
- Sugar: 15g
- Sodium: 150mg
- Fat: 12g
- Saturated Fat: 5g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 21g
- Fiber: 1g
- Protein: 3g
- Cholesterol: 10mg
