Creating the No-Bake Lemon Dessert is simple with these easy-to-follow steps:

1. Prepare the Cream Cheese Mixture: In a large mixing bowl, beat the softened cream cheese until creamy and smooth.
2. Add Sugar: Gradually mix in the powdered sugar until well combined.
3. Incorporate Sour Cream: Add the sour cream, lemon juice, lemon zest, and vanilla extract, mixing well until the mixture is smooth and fluffy.
4. Fold in Whipped Topping: Gently fold in the thawed whipped topping until fully integrated. Be careful not to deflate the mixture.
5. Fill the Crust: Pour the lemon filling into the prepared graham cracker crust, spreading it evenly.
6. Chill to Set: Cover with plastic wrap and place in the refrigerator for 30 minutes or until set.
7. Garnish (optional): Before serving, Garnish with fresh fruit or additional lemon zest if desired.

By following these straightforward steps, you can easily create a No-Bake Lemon Dessert that will impress your family and friends!