Chewy Chocolate Chip Cookie | Donna Hay

Ingredients

• 200g cold unsalted butter, chopped
• 1 cup (175g) brown (light brown) sugar
• ¾ cup (220g) white (granulated) sugar
• 1 teaspoon vanilla extract
• 2 tablespoons milk
• 1 egg
• 2 cups (300g) plain (all-purpose) flour
• ¼ teaspoon baking powder
• ¼ teaspoon bicarbonate of (baking) soda
• ½ teaspoon table salt
• 300g dark chocolate, chopped