Chewy Chocolate Chip Cookies

Bahan-bahan (18 porsi)

• 1 ¼ cups all-purpose flour
• ½ teaspoon baking soda
• 5 tablespoons salted butter (softened)
• ½ cup light brown sugar (packed)
• 6 tablespoons powdered sugar
• 1 large egg
• 1 teaspoon vanilla extract
• 1 cup semi-sweet chocolate chips