Funfetti Cookie Cake

This Funfetti Cookie Cake is the perfect dessert to celebrate any occasion. It's a giant cookie that's soft, chewy, and loaded with colorful sprinkles. The cookie cake is easy to make and is a crowd-pleaser for all ages. It's perfect for birthdays, holidays, or any day when you want to indulge in a sweet treat.

Ingredients:

• 1/2 cup unsalted butter, softened
• 3/4 cup granulated sugar
• 1 large egg
• 1 teaspoon vanilla extract
• 1 1/2 cups all-purpose flour
• 2 teaspoons cornstarch
• 1 teaspoon baking soda
• 1/4 teaspoon salt
• 1/2 cup rainbow sprinkles