Here’s a crowd-pleasing dessert: moist chocolate cupcakes baked with crushed Oreo pieces and crowned with silky cookies-and-cream buttercream. These oreo cupcakes balance deep cocoa richness with crunchy cookie texture and a creamy, speckled frosting for an irresistible presentation that’s perfect for birthdays, bake sales, or weekend baking.
Ingredients
– 1 1/4 cups (160 g) all-purpose flour
– 1/2 cup (50 g) unsweetened cocoa powder
– 1 tsp baking powder
– 1/2 tsp baking soda
– 1/4 tsp salt
– 3/4 cup (150 g) granulated sugar
– 2 large eggs, room temperature
– 1/2 cup (120 ml) vegetable oil
– 1/2 cup (120 ml) buttermilk, room temperature (or milk + 1/2 tbsp lemon)
– 1 tsp vanilla extract
– 1/2 cup (120 ml) hot water or hot coffee
– 10–12 Oreo cookies, finely chopped (divided)
– For the frosting:
– 1 cup (230 g) unsalted butter, room temperature
– 3–3 1/2 cups (360–420 g) powdered sugar, sifted
– 2–3 tbsp heavy cream or milk
– 1 tsp vanilla extract
– 8–10 Oreo cookies, finely crushed to make speckled buttercream
– Whole mini Oreos for garnish (optional)

Servings and Cooking Time
Servings: Makes 12 standard cupcakes. Preparation time: 20 minutes. Cooking time: 16–20 minutes at 350°F (175°C). Cooling and frosting: about 20–30 minutes. Total time: ~1 hour.
Nutritional Value
The values below are estimates for one serving (1 cupcake): Serving size: 1 cupcake (including frosting).
– Calories: ~420 kcal
– Fat: ~22 g
– Saturated fat: ~12 g
– Carbohydrates: ~52 g
– Sugars: ~36 g
– Protein: ~4 g
– Fiber: ~1.5 g
Note: These are approximate values for one person (one cupcake) and will vary with exact ingredient brands and portion sizes.
Step-by-Step Cooking Process
– Preheat oven to 350°F (175°C) and line a 12-cup muffin tin with liners.
– Whisk flour, cocoa powder, baking powder, baking soda, and salt in a bowl.
– In a separate bowl beat sugar and eggs until slightly thickened.
– Add oil, buttermilk and vanilla to the egg mixture and whisk until smooth.
– Gradually fold the dry ingredients into the wet mixture until just combined.
– Stir in hot water or coffee to thin batter; it will be loose—this keeps cupcakes moist.
– Fold in 7–8 finely chopped Oreos for speckled cookie bits, reserve the rest for garnish.
– Divide batter evenly among liners, filling each about two-thirds full.
– Bake 16–20 minutes until a toothpick comes out with a few moist crumbs.
– Cool cupcakes in the pan 5 minutes, transfer to a rack to cool completely.
– For frosting, beat butter until fluffy, add powdered sugar gradually with vanilla and cream.
– Fold in finely crushed Oreos and adjust consistency; pipe or spread onto cooled cupcakes.
– Top each cupcake with a mini Oreo or cookie half and serve.

Alternative Ingredients
You can substitute vegetable oil with melted coconut oil or melted butter for richer flavor. Use almond milk or oat milk with 1 tsp vinegar as a buttermilk substitute. For a gluten-free option, swap all-purpose flour with a 1:1 gluten-free baking blend.
Serving and Pairings
Serve oreo cupcakes at room temperature alongside cold milk, espresso, or hot chocolate. They pair well with vanilla ice cream, fresh berries to cut sweetness, or a light fruit sorbet for contrast. Great for dessert tables and casual celebrations.
Storage and Reheating
Store cupcakes in an airtight container in the refrigerator for up to 4 days (frosting contains butter/cream). Bring to room temperature before serving for best texture. Cupcakes can be frozen unfrosted for up to 3 months; thaw overnight in the fridge and frost after warming to room temperature.
Cooking Mistakes
– Don’t overmix the batter — leads to dense cupcakes.
– Avoid overbaking; check at 16 minutes to prevent dryness.
– Don’t frost warm cupcakes — frosting will melt and slide.
– Crushing Oreos too fine can make filling soggy; leave small bits.
– Using cold eggs or buttermilk can affect rise; use room temperature ingredients.
– Adding too much hot water will thin batter excessively — follow amounts.
– Overwhipping frosting can make it too airy and unstable in warm temps.
Helpful Tips
– Use hot coffee instead of water for deeper chocolate flavor.
– Sift cocoa to avoid lumps in the batter.
– Tap the muffin tin gently before baking to release air bubbles.
– Pipe frosting with a star tip for attractive swirls and easier garnish placement.
– If frosting is too soft, chill briefly before piping.
– Crush cookies in a zip bag with a rolling pin for quick, controlled pieces.

FAQs
How do I prevent Oreo pieces from sinking to the bottom of the cupcakes?
Toss chopped Oreo pieces in a tablespoon of flour before folding them into the batter. This gives them a light coating that helps suspend the bits and prevents them from sinking during baking.
Can I make these cupcakes ahead of time?
Yes — you can bake cupcakes a day ahead and keep them in an airtight container at room temperature for up to 24 hours. For longer storage, refrigerate up to 4 days or freeze unfrosted for up to 3 months and frost after thawing.
How do I get a speckled cookies-and-cream frosting?
Finely crush Oreo cookies (including filling) and fold them gently into your buttercream until evenly distributed. Avoid overmixing to keep visible specks and maintain a light, fluffy texture.
Can I make these cupcakes dairy-free?
Yes — use dairy-free butter or margarine and a non-dairy milk like almond or oat. Choose dairy-free chocolate or cocoa powder and verify Oreos are tolerated (most are dairy-free but check labels for cross-contaminants).
Why are my cupcakes sinking in the middle?
Sinking can result from underbaking, opening the oven door too early, or too much leavening. Ensure cupcakes are fully baked (toothpick test) and avoid chilling batter excessively before baking.
Is it better to use liners or grease the pan?
Liners make removal and presentation simple and absorb less moisture. Greasing works, but cupcakes baked without liners may spread slightly and be harder to remove cleanly.
How do I make mini or jumbo versions of this recipe?
For mini cupcakes, reduce bake time to 8–12 minutes; for jumbo, bake 22–28 minutes. Fill cups proportionally and monitor doneness with a toothpick for each size.
Conclusion
Oreo cupcakes are an easy yet impressive dessert: tender chocolate cupcakes dotted with cookie pieces and topped with a cookies-and-cream buttercream. With simple swaps and clear storage tips, this recipe is adaptable for parties, make-ahead treats, or weekend baking sessions. Enjoy the perfect combo of chocolate and crunchy Oreo texture.

Oreo Cupcakes
Ingredients
- 1 1/4 cups 160 g all-purpose flour
- 1/2 cup 50 g unsweetened cocoa powder
- 1 tsp baking powder
- 1/2 tsp baking soda
- 1/4 tsp salt
- 3/4 cup 150 g granulated sugar
- 2 large eggs room temperature
- 1/2 cup 120 ml vegetable oil
- 1/2 cup 120 ml buttermilk (or milk + 1/2 tbsp lemon)
- 1 tsp vanilla extract
- 1/2 cup 120 ml hot water or hot coffee
- 10 –12 Oreo cookies finely chopped (divided)
- For the frosting: 1 cup 230 g unsalted butter, room temperature
- 3 –3 1/2 cups 360–420 g powdered sugar
- 2 –3 tbsp heavy cream or milk
- 1 tsp vanilla extract
- 8 –10 Oreo cookies finely crushed (for frosting) and mini Oreos for garnish (optional)
Instructions
- Preheat oven to 350°F (175°C) and line a 12-cup muffin tin with liners.
- Whisk flour, cocoa powder, baking powder, baking soda, and salt in a bowl.
- In a separate bowl, beat sugar and eggs until slightly thickened.
- Add oil, buttermilk and vanilla to the egg mixture and whisk until smooth.
- Gradually fold the dry ingredients into the wet mixture until just combined.
- Stir in hot water or coffee to thin the batter; it will be loose to keep cupcakes moist.
- Fold in 7–8 finely chopped Oreos, reserving the rest for garnish.
- Divide batter evenly among liners, filling each about two-thirds full.
- Bake 16–20 minutes until a toothpick inserted in the center comes out with a few moist crumbs.
- Cool cupcakes in the pan 5 minutes, then transfer to a rack to cool completely.
- For frosting, beat butter until fluffy, add powdered sugar gradually with vanilla and cream, then fold in finely crushed Oreos.
- Pipe or spread the cookies-and-cream buttercream onto cooled cupcakes and top with a mini Oreo or cookie half.