Soft Easy Chocolate Chip Cookies

Bahan-bahan (13 porsi)

• 1 3/4 cups plain / all purpose flour
• 1 tsp salt
• ½ tsp baking soda ((bi carb soda))
• 175 g / 12 tbsp unsalted butter (, cut into 2 cm/ 4/5" cubes (1.5 US sticks / 6 oz))
• 1/2 cup brown sugar (, packed (light or dark) (Note 1))
• 1/2 cup caster sugar ((US: granulated sugar))
• 1 egg
• 1 egg yolk
• 2 tsp vanilla extract
• 1 1/4 cups chocolate chips (, separated (US: semi sweet chocolate chips or chunks))