Giant chocolate chip cookie - Moje wypieki

Ingredients

• 115 g butter
• 100 g light brown sugar
• 50 g caster sugar
• 1 tsp vanilla extract
• 1 large egg
• 200 g plain flour
• 1/2 tsp baking soda
• 1/2 tsp salt
• 200 g milk or dark chocolate chips or finely chopped chocolate