Kue Chocolate Chip Sempurna Setengah Batch

Bahan-bahan (10 porsi)

• 7 tablespoons salted butter
• 3/4 cup white sugar
• 1 tablespoon packed brown sugar
• 1 teaspoon vanilla
• 1 egg
• 1 1/4 cup all purpose flour (to start, but plan to add a few tablespoons)
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 1 cup mixed varieties of chocolate chips