Espresso Chocolate Chip Cookies

Bahan-bahan (12 porsi)

• 1 1/2 cups (213 grams*) all-purpose flour
• 3 tablespoons espresso powder
• 2 teaspoons cornstarch
• 1 teaspoon baking soda
• 1/4 teaspoon salt
• 1/2 cup (115 grams) butter, softened to room temperature
• 1/2 cup packed brown sugar
• 1/3 cup granulated sugar
• 1 egg
• 2 teaspoons vanilla extract, store-bought or homemade
• 1 cup semisweet chocolate chips
• optional: flaky sea salt