Best Soft and Chewy Sugar Cookies: A 25-Minute Buttery Treat

Ingredients

• 1 cup (226g) unsalted butter, softened
• 1 1/4 cups (250g) granulated sugar
• 1 large egg, room temperature
• 1 tablespoon pure vanilla extract
• 2 3/4 cups (345g) all-purpose flour, spooned and leveled
• 2 teaspoons cornstarch
• 1 teaspoon baking soda
• 1/2 teaspoon cream of tartar
• 1/2 teaspoon fine sea salt
• 1/4 cup (50g) granulated sugar (for rolling)