They are ooey, gooey, and chocolatey! This from-scratch recipe is one you want to make and devour! And if you want to omit the Oreo cookies and sprinkles, you can! Just replace them with 1 cup of chocolate chips. (I doubled the recipe and used a 10x15 pan.)
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Beat butter, oil, eggs, water, and sugar until well combined.
Add baking powder, salt, powdered sugar, cocoa powder, flour, and vanilla to the wet ingredients. Combine until smooth.
Pour half the batter into the bottom of a 9x13 pan.
Layer with the Oreo cookies and pour the remaining batter on top. Gently smooth out the top.
Top with crushed cookies and sprinkles.
Bake at 325°F for 60 minutes. Ensure the middle isn’t risen before pulling out.
Cool for 30 minutes before cutting.
If you want to omit the Oreo cookies and sprinkles, replace them with 1 cup of chocolate chips.
Doubling the recipe works well in a 10x15 pan for larger batches.
Ensure the middle of the brownies is set before removing them from the oven to avoid underbaking.
Can I use regular Oreos instead of Halloween Oreos?
Yes, you can use regular Oreos or any sandwich cookies of your choice.
What can I use instead of sprinkles?
You can omit the sprinkles or replace them with chocolate chips or crushed nuts.
How do I know the brownies are done baking?
Check that the middle isn’t risen and a toothpick inserted comes out with a few moist crumbs.
Can I make these brownies gluten-free?
You can try substituting the flour with a gluten-free flour blend, but results may vary.
Can I freeze these brownies?
Yes, you can freeze them after cooling. Wrap them tightly in plastic wrap and store in an airtight container.
Hi, I’m Jordann! I’m a home cook and content creator passionate about making comforting, flavor-packed meals feel simple and doable. From slow-cooked favorites to indulgent baked goods, I love sharing recipes that bring people together and make everyday cooking feel special. You’ll usually find me in the kitchen testing, tweaking, and filming recipes that are as fun to make as they are to eat—because good food doesn’t have to be complicated to be incredible.
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