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 9

• 115 g butter
• 100 g light brown sugar
• 50 g caster sugar
• 1 egg
• 1 tsp vanilla extract
• 180 g plain flour
• ½ tsp bicarbonate of soda
• ½ tsp fine salt
• 150 g dark chocolate chips