If there’s one dessert that never fails to satisfy a sweet craving, it’s the Mary Berry Chocolate Brownies Recipe. These brownies are the ultimate treat—rich, chocolatey, and with just the right amount of chewiness. Mary Berry, the queen of baking, has perfected this classic, and her recipe is foolproof for beginners and experienced bakers alike. Whether you’re baking for a party or just a cozy evening at home, these brownies will surely impress.
What Makes Mary Berry Chocolate Brownies Recipe So Special
Mary Berry’s brownie recipe is the perfect blend of simple ingredients, minimal fuss, and unbeatable flavor. Unlike dry or overly sweet brownies, hers come out moist, dense, and decadent every time. It’s a versatile recipe that you can personalize with nuts, chocolate chunks, or even a swirl of caramel.
Ingredients for Mary Berry Chocolate Brownies Recipe
Basic Ingredients
- 225g dark chocolate (70% cocoa)
- 225g unsalted butter
- 275g caster sugar
- 4 large eggs
- 75g plain flour
- 1 tsp baking powder
- 1 tsp vanilla extract
- 100g chopped walnuts or chocolate chips (optional)
Step-by-Step Instructions

Step 1: Preheat the Oven
Preheat your oven to 180°C (160°C fan) or 350°F. Line a rectangular baking tray with parchment paper.
Step 2: Melt Chocolate and Butter
Place the chocolate and butter in a heatproof bowl. Melt over a saucepan of simmering water (double boiler method), stirring until smooth. Let cool slightly.
Step 3: Beat Eggs and Sugar
In a separate bowl, beat the eggs, sugar, and vanilla extract until light and fluffy.
Step 4: Combine
Fold the chocolate mixture into the egg mixture. Gently stir in the flour and baking powder until well combined. Add nuts or chocolate chips if using.
Step 5: Bake
Pour the batter into the prepared tray and level the top. Bake for 25-30 minutes. The center should be set but still slightly gooey. Cool before slicing.
Nutritional Information (Approx. per serving)
| Nutrient | Amount |
|---|---|
| Calories | 280 |
| Protein | 4g |
| Carbohydrates | 32g |
| Fat | 16g |
| Fiber | 2g |
Tips for Perfect Brownies
Don’t Overbake
The center should be slightly gooey when you take it out. It will continue to cook as it cools.
Chill Before Slicing
Refrigerate for an hour after cooling for cleaner cuts.
Use Quality Chocolate
Good quality dark chocolate makes all the difference in flavor and texture.
Variations of Mary Berry Chocolate Brownies Recipe
Nutty Brownies
Add pecans, walnuts, or almonds for a nutty crunch.
Raspberry Swirl Brownies
Swirl in raspberry jam or fresh raspberries before baking for a fruity twist.
Espresso Brownies
Add 1 tsp of instant espresso powder for a coffee kick that enhances the chocolate flavor.
Storage and Freezing Tips
Storage
Store brownies in an airtight container at room temperature for up to 4 days.
Freezing
Wrap individual brownies in cling film and freeze for up to 3 months.
Reheating
Warm in the microwave for 10-15 seconds to enjoy that just-baked texture.
External Inspiration
Want to explore more rich and chocolatey delights? Visit BBC Good Food’s Brownie Recipe Collection for more gooey and creative brownie ideas.
FAQs About Mary Berry Chocolate Brownies Recipe
Can I use milk chocolate instead of dark chocolate?
You can, but dark chocolate gives a richer, more balanced flavor.
Are these brownies suitable for freezing?
Yes, wrap them tightly and they’ll freeze well for up to 3 months.
How do I know when the brownies are done?
The top should be set and a skewer inserted should come out with a few moist crumbs.
Can I make this recipe gluten-free?
Yes, simply substitute plain flour with a gluten-free blend.
Do I have to use nuts?
No, they are completely optional. You can also substitute with dried fruit or white chocolate chips.