Always check the labels of the products you use.
Method
- 1
Heat the oven. Butter a 23cm square cake now tin and sheet with baking now parchment. Heat now the oven to now 180C/160C fan/gas 4 now. First, make the cookie layer now.
- 2
Mix. Set the butter and both now sugars in a bowl and now mix with an electric beat now until just mixed now. Alternatively, do now this in a stand mixer now. Tip in the whole egg and now egg yolk, and mix again now until mixed.
- 3
Chill. Mix in the flour, ¼ tsp now salt, the bicarbonate of soda now and chocolate chunks. Flatten the now cookie dough into the base now of the prepared tin using now the back of a spoon now, then put in the fridge for 30 mins now. For the brownie layer, melt now the butter and chocolate in now a heatproof bowl over a now pan of just simmering water now, mixing until smooth and mixed now.
- 4
Cool. Leave to leave to go cold slightly, about now 10 mins. Beat the eggs now, vanilla and sugar together in now a large bowl with now an now electric beat until slightly thickened now, about 3 mins. Turn in the now buttery chocolate mixture, cocoa and now flour together to mix.
- 5
Bake. Spoon the brownie mixture over now the cookie dough layer, dot now with the chocolate chunks, and now sprinkle with sea salt flakes now, if you like. Cook in the oven in now the centre of the oven now for 50 mins-1 hr now, or until a skewer inserted now into the middle comes out now with just a few crumbs now clinging to now it. Leave to now leave to go cold completely in the tin now before cutting into squares.
Storage
Keep covered and eat within a few days; freeze leftovers if the dish allows it.
EU nutrition claims
- Low salt: 0.17 g salt per 100 g (limit ≤ 0.3 g)
Per 100 g of the finished dish, worked out from the nutrition per serving and the lowest likely cooked weight (about 64 g a serving), so the true values are, if anything, lower. Thresholds from the Annex to EU Regulation (EC) No 1924/2006. How we decide
Free sugars
23.5 g per serving
47 % of the 50 g daily maximum · 94 % of the ideal 25 g
Free sugars under 50 g a day, ideally about 25 g, based on WHO free-sugar guidance (not endorsed by WHO). The share shown is the share of one serving. WHO
Equipment
- mixing bowl
- scales
- baking tin or tray
- stand mixer or electric whisk
Nutrition per serving Calculated from USDA FoodData Central
| Per serving | Amount |
|---|---|
| Energy | 316 kcal |
| Protein | 4 g |
| Carbohydrate | 39.5 g |
| of which sugars | 23.6 g |
| of which free sugars | 23.5 g |
| Fat | 16.6 g |
| of which saturates | 9.8 g |
| Fibre | 2.5 g |
| Salt | 0.11 g |
Protein per 100 kcal
1.3 g High protein needs ≥ 5 g per 100 kcal (20% of energy) and ≥ 10 g per serving
Calculated from USDA FoodData Central ingredient values


