The Neiman Marcus Chocolate Chip Cookie

Ingredients

• 1/2 cup butter, softened
• 1 cup light brown sugar
• 3 tablespoons granulated sugar
• 1 large egg
• 2 teaspoons vanilla extract
• 1-3/4 cups all purpose flour
• 1/2 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1-1/2 teaspoons instant espresso coffee powder
• 1-1/2 cups semisweet chocolate drops