An oreo brownies recipe is the fastest way to turn a standard tray of chocolate brownies into something with a real cookies-and-cream bite. You get a dense, fudgy base, a middle layer of broken Oreos, and a second pour of batter that bakes into a cracked, glossy top. This version uses melted chocolate plus cocoa so the crumb stays moist for three days instead of drying out by the next morning.
The method below is built for a home oven and a 9×9 pan, which gives you thick squares rather than thin sheets. We use room-temperature eggs so the batter emulsifies without curdling, and we press half the cookies into the base so they don’t float to the top. If you want a reliable dessert for a party tray, this is a solid one to keep in your list next to a pumpkin muffin rotation. Making this oreo brownies at home is surprisingly straightforward once you know the key steps.
Why You’ll Love These Oreo Brownies
- Thick, fudgy crumb from a melted-chocolate base rather than powder-only batter
- Two Oreo layers so every square has cookie pieces top and bottom
- One bowl for the batter, no mixer required beyond a whisk
- Freezes cleanly for up to two months without turning gummy
- Uses standard grocery Oreos, no specialty baking brands needed
Ingredients You’ll Need
- 170g (6 oz) dark chocolate (55-60% cacao), chopped
- 115g (1/2 cup) unsalted butter
- 200g (1 cup) granulated sugar
- 50g (1/4 cup) light brown sugar, packed
- 2 large eggs, room temperature
- 1 tsp vanilla extract
- 65g (1/2 cup) all-purpose flour
- 30g (1/3 cup) unsweetened cocoa powder
- 1/4 tsp salt
- 18 Oreo cookies, 10 broken roughly, 8 left whole
Ingredient Substitutions
Dark chocolate: Replace with an equal weight of semi-sweet chocolate chips if you want a sweeter, softer bite. Chips contain stabilizers so the batter sets a little looser; add 1 tablespoon of flour to keep the squares from sinking. Expect a milder cocoa note and a glossier top. The oreo brownies works well for weeknight cooking when time is limited.
Unsalted butter: Use the same weight of coconut oil for a dairy-free base that stays firm at room temperature. Coconut oil melts faster than butter, so chill the mixed batter for 10 minutes before pouring. The crumb will be slightly more chewy and less tender at the edges. Storing leftover oreo brownies correctly keeps it tasting good for days.
All-purpose flour: Swap with an equal weight of gluten-free 1-to-1 baking flour for a wheat-free version. These blends often include xanthan gum, which holds the structure but can make the top crack less. Bake at the same temperature but check doneness 3 minutes earlier.
Oreo cookies: Use a store brand sandwich cookie with the same size and fill for a cheaper option. Generic versions are usually lighter and absorb more moisture, so press them in gently and reduce batter rest to zero. The cookie layer will taste slightly less chocolatey but still read as cream-filled. If you enjoyed this, our yummybites pro patterns is worth trying next.
Step-by-Step Instructions
- Heat your oven to 180°C / 350°F and line a 9×9 inch pan with parchment, leaving an overhang on two sides.
- Melt the chopped dark chocolate and unsalted butter in a bowl over medium-low heat, stirring until smooth, then cool for 5 minutes so eggs won’t scramble.
- Whisk granulated sugar, brown sugar, eggs, and vanilla into the chocolate mix until the batter looks thick and glossy, about 1 minute by hand.
- Sift flour, cocoa, and salt into the bowl and fold with a spatula until you see no dry streaks, then stop to avoid a cakey texture.
- Pour half the batter into the pan, spread level, and press the 10 broken Oreos into it in a single layer.
- Add the remaining batter, lay the 8 whole Oreos on top, and bake 25–30 minutes until the center looks set with a faint jiggle.
- Cool in the pan on a rack for up to 3 days storage later, but at least 45 minutes before cutting so squares hold shape.
Pro Tips
Room-temperature eggs blend into warm chocolate without seizing, so pull them out 30 minutes before you start the oreo brownies recipe.
Press whole Oreos gently into the top batter rather than pushing deep, or they sink and leave bare patches after baking.
For cleaner cuts, chill the cooled tray 20 minutes and use a hot knife wiped between slices, a trick shared by The Kitchn for bar desserts.
Rest the batter 5 minutes if your kitchen is warm so the flour hydrates and the top bakes with a thinner crack instead of a thick dome.
Check the pan at 25 minutes; a toothpick should show moist crumbs, not wet batter, which signals the custard-style edge is done.
Common Mistakes to Avoid
Overbaking is the main error; once the center stops jiggling fully the crumb turns dry, so pull the pan at a faint wobble.
Using cold eggs makes the butter re-solidify in lumps, giving uneven pockets, so always temper them on the counter first.
Skipping parchment leads to stuck corners that break on lift; the overhang is what lets you pull the block out clean.
Stirring past the no-streak point develops gluten and yields cake, not fudge, so fold with a light hand and stop early.
Serving Suggestions
Cut into 16 squares and plate with a scoop of vanilla ice cream so the cold cream balances the dense chocolate. A drizzle of warm sauce is not typical but works for a party spread.
For a kids’ tray, dust the top with cocoa powder through a sieve to hide cracks and make the Oreos pop. Pair with fruit drinks at a casual gathering rather than coffee.
Storage and Reheating
Keep cut squares in an airtight container in the fridge for up to 3 days; the crumb firms cold but softens at room temp in 20 minutes. You can freeze for up to 2 months in a sealed bag with parchment between layers.
To reheat, microwave one square 15 seconds on medium so the chocolate loosens without melting the cream fill. Don’t leave baked trays out more than 2 hours before boxing.
Recipe Variations
Mint Version
Swap vanilla for 1/2 tsp mint extract and use mint Oreos in the broken layer. The top stays the same but the crumb reads cool and sweet, good with light cocktails after dinner.
Double Chocolate
Add 1/4 cup chocolate chips to the batter before the first pour for pockets of melt. Bake 2 minutes longer since the chips add moisture that slows set.
Peanut Butter Swirl
Drop 3 tbsp peanut butter in dots over the base layer and drag a knife through before adding broken cookies. The swirl bakes firm and cuts the cocoa bitterness with salt.
Blond Base
Replace cocoa with an equal weight of flour and use white chocolate for the melt to make a blond Oreo bar. Expect a softer bite and 5 minutes less bake time.
Oreo Brownies
Description
These Oreo brownies layer broken and whole cookies between a dense, melted-chocolate base for a real cookies-and-cream bite. Baked in a 9x9 pan, they stay moist for days and freeze cleanly for party trays.
Ingredients
Instructions
-
Heat oven and line pan
Heat your oven to 180°C / 350°F and line a 9x9 inch pan with parchment, leaving an overhang on two sides. The overhang lets you lift the baked block out cleanly so corners do not stick or break.
-
Melt chocolate and butter
Melt the chopped dark chocolate and unsalted butter in a bowl over medium-low heat, stirring until smooth. Cool for 5 minutes so the warm mix will not scramble the room-temperature eggs when added later.
-
Whisk sugars and eggs
Whisk granulated sugar, brown sugar, eggs, and vanilla into the chocolate mix until the batter looks thick and glossy, about 1 minute by hand. This emulsifies the room-temperature eggs without curdling for a fudgy crumb.
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Fold in dry ingredients
Sift flour, cocoa, and salt into the bowl and fold with a spatula until you see no dry streaks, then stop. Overmixing develops gluten and yields cake instead of fudge, so use a light hand.
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First batter and Oreos
Pour half the batter into the pan, spread level, and press the 10 broken Oreos into it in a single layer. Pressing them in keeps the cookies from floating to the top during the second pour.
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Top layer and bake
Add the remaining batter, lay the 8 whole Oreos on top, and bake 25–30 minutes until the center looks set with a faint jiggle. A toothpick should show moist crumbs, not wet batter, which signals the custard-style edge is done.
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Cool before cutting
Cool in the pan on a rack for at least 45 minutes before cutting so squares hold shape. You can rest the tray up to 3 days for storage later, but the minimum cool time prevents broken edges.
Nutrition Facts
Servings 16
- Amount Per Serving
- Calories 320kcal
- % Daily Value *
- Total Fat 15g24%
- Saturated Fat 8g40%
- Cholesterol 35mg12%
- Sodium 180mg8%
- Total Carbohydrate 42g15%
- Dietary Fiber 2g8%
- Sugars 30g
- Protein 4g8%
* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.
Note
- Storage: Keep cut squares in an airtight container in the fridge for up to 3 days; the crumb firms cold but softens at room temp in 20 minutes. Don't leave baked trays out more than 2 hours before boxing.
- Make it ahead: Pull eggs out 30 minutes before starting so they blend without seizing, and chill the cooled tray 20 minutes for cleaner cuts with a hot knife. See our strawberry sauce recipe for a party drizzle idea.
- Pro tip: Rest the batter 5 minutes if your kitchen is warm so the flour hydrates and the top bakes with a thinner crack instead of a thick dome.
- Reheat: Microwave one square 15 seconds on medium so the chocolate loosens without melting the cream fill; do not reheat the same portion more than once.
