These irresistible homemade Oreo Bars combine the classic cookie-and-cream magic into a decadent treat that’s ready in just 45 minutes. Perfect for potlucks, bake sales, or weekend family gatherings, these bars offer a delightful blend of rich chocolatey goodness and creamy sweetness in every bite. With simple prep and straightforward baking time, you’ll create a crowd-pleasing dessert that delivers 329 calories of pure comfort in each serving.
Ingredient Section

- All-purpose flour (1 1/4 cups): A base ingredient, ensure measuring accurately for perfect texture
- Cocoa powder (1/3 cup): Unsweetened variety for rich chocolate flavor
- Butter (1/2 cup): Softened at room temperature for smooth mixing
- Sugars: Blend of brown (1/2 cup) and granulated (1/4 cup) for perfect sweetness
- Egg (1 large): Room temperature for better incorporation
- Vanilla extract (1 tsp): Enhances overall flavor
- White chocolate chips (1/2 cup): For delightful sweet bites
- Oreo cookies (6): Chopped for texture and flavor burst
- Baking essentials: Baking soda (1/2 tsp) and salt (1/4 tsp) for proper rise
Instructions Section
- Preparation: Heat oven to 350°F and prepare 8×8″ baking pan with grease or parchment
- Mix Dry Ingredients: Combine flour, cocoa powder, baking soda, and salt in a bowl
- Cream Base: Beat butter with both sugars until creamy and fluffy (about 3 minutes)
- Wet Addition: Mix in egg and vanilla until well combined
- Combine Mixtures: Fold dry ingredients into wet mixture until just incorporated
- Add Mix-ins: Gently stir in chopped Oreos and white chocolate chips
- Pan Preparation: Press dough evenly into prepared pan
- Baking: Bake 18-25 minutes until toothpick comes out clean
Storage Tips
Keep these yummy Oreo bars fresh and delicious! Store them in an airtight container at room temperature for up to 4 days. Pop a piece of wax paper between layers to prevent sticking. Want to save them longer? These bars freeze beautifully for up to 3 months – just wrap them well in plastic wrap and place in a freezer bag. Let them thaw at room temperature when you’re ready to enjoy!
Mix-and-Match Ideas
Love getting creative in the kitchen? Try these tasty swaps! Switch white chocolate chips for milk chocolate or dark chocolate chips. Not a fan of regular Oreos? Use different Oreo flavors like mint, peanut butter, or golden Oreos. You can even add 1/2 cup of chopped nuts for extra crunch. Just keep the total amount of mix-ins about the same and you’re good to go!
Serving Ideas
These bars are amazing on their own, but why not make them extra special? Warm them up for 10-15 seconds in the microwave until slightly soft. Top with a scoop of vanilla ice cream for the ultimate dessert. Want to dress them up for a party? Cut them into smaller squares and dust with powdered sugar, or drizzle with extra melted white chocolate. They’re perfect for bake sales, potlucks, or afternoon snacks with a cold glass of milk!

Oreo Bars
Equipment
- 8×8 baking pan
- Electric mixer
Ingredients
- 1 1/4 cups all-purpose flour
- 1/3 cup unsweetened cocoa powder
- 1/2 teaspoon baking soda
- 1/4 teaspoon salt
- 1/2 cup butter softened
- 1/2 cup light brown sugar
- 1/4 cup granulated sugar
- 1 teaspoon vanilla extract
- 1 large egg
- 1/2 cup white chocolate chips
- 6 Oreo cookies chopped
Instructions
- Preheat oven to 350°F. Grease an 8×8” baking pan (or line with parchment paper).
- Add flour, cocoa powder, baking soda and salt to a small bowl and stir to combine.
- To a large mixing bowl add butter, brown sugar and granulated sugar. Beat with electric mixers (or in your stand mixer) until well creamed together, about 3 minutes. Add egg and vanilla and mix well.
- Add dry ingredients and mix just until incorporated. Stir in Oreos and white chocolate chips. Press dough into pan.
- Bake for about 18-25 minutes or until a toothpick inserted in the center comes out clean.