Description
A rich, moist chocolate cake topped with cookies-and-cream Oreo buttercream. Perfect for birthdays, celebrations, or anytime you crave something sweet and indulgent!
Ingredients
Scale
Essentials:
- 125 g plain flour (1 cup)
- 200 g caster sugar (1 cup)
- 65 g cocoa powder (¾ cup)
- ¾ tsp baking powder
- ½ tsp bicarbonate of soda (baking soda)
- ½ tsp salt
- 1 large egg (room temperature)
- 60 ml vegetable oil (¼ cup)
- 125 ml milk (room temperature) (½ cup)
- 1 tsp vanilla extract
- 125 ml warm water (½ cup)
Optional Add-ons for Frosting:
- 150 g unsalted butter, softened (¾ cup)
- 200 g icing sugar (1⅓ cups)
- 1–2 tbsp milk
- 3 Oreo biscuits, finely crushed
- 9 whole Oreos (optional, for decoration)
Substitutions and Shortcuts:
- Use all-purpose flour if plain flour isn’t available
- Substitute cocoa powder with melted dark chocolate for a richer flavor
- Butter alternatives: margarine or dairy-free spreads
- Try brown sugar for deeper caramel-like notes
- Replace egg with mashed banana or applesauce for a vegan version
Instructions
- Whisk the Dry Ingredients: In a large bowl, whisk together the flour, caster sugar, cocoa powder, baking powder, bicarbonate of soda, and salt.
- Add the Wet Ingredients: Add the egg, oil, milk, and vanilla extract. Whisk until smooth, then mix in the warm water. The batter will be thin and glossy.
- Bake the Cake: Line an 8×8-inch baking tin with parchment. Pour in the batter and bake at 175°C (350°F) for 30 minutes or until a toothpick comes out with moist crumbs. Let cool completely in the tin.
- Make the Buttercream: Whip softened butter until smooth. Gradually beat in icing sugar, adding 1–2 tbsp milk for desired consistency.
- Fold in Crushed Oreos: Gently fold in the finely crushed Oreos to create a cookies-and-cream frosting.
- Decorate: Spread the Oreo buttercream evenly over the cooled cake. Top with whole Oreo cookies for extra flair, if desired.
Notes
- Ensure the cake is fully cooled before frosting to prevent the buttercream from melting.
- For a layered version, double the recipe and bake in two tins.
- Store leftovers in an airtight container at room temperature for up to 3 days or in the fridge for longer freshness.
- Prep Time: 20 minutes
- Cook Time: 30 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 410
- Sugar: 34g
- Sodium: undefined
- Fat: 22g
- Saturated Fat: 10g
- Unsaturated Fat: undefined
- Trans Fat: undefined
- Carbohydrates: 50g
- Fiber: 2g
- Protein: 4g
- Cholesterol: undefined
Keywords: oreo chocolate cake, cookies and cream cake, easy chocolate cake, birthday cake, chocolate dessert, Oreo frosting