Grandma's No-Bake Cheesecake

Ingredients (6)

• + 1 (8 ounce) container whipped topping (such as Cool Whip®) add to pantry
• ✓ 1 cup sour cream
• + 1 cup white sugar add to pantry
• + 1 tablespoon vanilla extract add to pantry
• + 1 (8 ounce) package cream cheese, cut into 6 pieces add to pantry
• + 1 (9 inch) graham cracker crust add to pantry