20-Minute No-Bake Peanut Butter Oreo Bars
Decadent layered bars featuring a crushed Oreo crust, creamy peanut butter filling, and rich chocolate topping. These no-bake treats combine the beloved flavors of chocolate sandwich cookies and peanut butter in an indulgent dessert that requires no oven time. Perfect for potlucks, bake sales, or when you need a crowd-pleasing dessert without turning on the oven. The bars set beautifully in the refrigerator and slice cleanly for impressive presentation.
Ingredients
- 2 tablespoons unsalted butter, melted
- 14 Oreoschocolate graham crackers1:1gluten-free
Use gluten-free cookies
- ½ cup unsalted butter, melted
- 1 cup graham cracker crumbs
- 1 cup powdered sugar
- ½ cup peanut butter
- 1 ½ cups semisweet chocolate chips
- 4 tablespoons peanut butter
Instructions
- 1
Process Oreos in food processor until fine crumbs form
- 2
Mix melted butter with Oreo crumbs and press into baking pan
- 3
Freeze crust for 10 minutes
- 4
Beat butter, graham cracker crumbs, and peanut butter in stand mixer until creamy
- 5
Add powdered sugar on lowest speed until combined and fluffy
- 6
Spread peanut butter filling evenly over crust and return to freezer
- 7
Heat peanut butter and chocolate chips in saucepan over medium heat
- 8
Stir constantly until smooth then pour over peanut butter layer
- 9
Tilt pan to spread chocolate evenly
- 10
Refrigerate for at least 2 hours before slicing
Tips
Line the pan with parchment paper for easy removal and cleaner slicing.
Let bars come to room temperature for 5 minutes before cutting for the cleanest slices.
Use a sharp knife wiped clean between cuts to prevent dragging the chocolate layer.
Good to Know
Store covered in refrigerator for up to 1 week
Can be made up to 3 days ahead
Serve chilled, cut into squares
Common Mistakes
Don't skip freezing the crust or the layers will mix together
Use lowest mixer speed when adding powdered sugar to avoid a dusty mess
Substitutions
Gluten-Free Swaps
Use gluten-free cookies
Nut-Free Alternatives
General Alternatives
FAQ
Can I freeze these bars?
Yes, wrap individual bars in plastic wrap and freeze for up to 3 months. Thaw in refrigerator before serving.
What if I don't have a food processor for the Oreos?
Place Oreos in a sealed plastic bag and crush with a rolling pin until fine crumbs form.
How long do these keep at room temperature?
Best kept refrigerated, but can sit at room temperature for 2-3 hours before the chocolate becomes too soft.