Step 1 of 5

Cream the butter and both sugars, beat in the egg and vanilla, then fold in the flour, bicarbonate of soda, salt and chocolate chips.

Ingredients for 6 servings 9

• 173 g butter
• 150 g light brown sugar
• 75 g caster sugar
• 2 egg
• 1½ tsp vanilla extract
• 270 g plain flour
• ¾ tsp bicarbonate of soda
• ¾ tsp fine salt
• 225 g dark chocolate chips