A moist, fudgy chocolate sheet cake with brownie-like texture—quick to make and perfect for any occasion. Bake, slice, and serve straight from the tray!
200g (7 oz) dark chocolate
200g (7 oz) unsalted butter
4 large eggs
250g (1 ¼ cups) granulated sugar
1 pinch salt
200g (1 ½ cups + 2 tbsp) all-purpose flour
3 tbsp cocoa powder
1 tsp baking powder (optional)
100 ml (just under ½ cup) buttermilk
Preheat oven to 350°F (175°C), line a 12×16-inch tray.
Melt chocolate and butter together, cool slightly.
Beat eggs, sugar, and salt until fluffy.
Mix in the chocolate-butter mixture.
Whisk dry ingredients, then fold into the batter.
Add buttermilk and mix until just combined.
Pour into tray, bake for 25–30 minutes.
Cool, dust with powdered sugar or glaze, and slice.
Add nuts, fruit, or chocolate chips for variation.
Don’t overbake for the best fudgy texture.
Can be frozen in portions for up to 2 months.