Absolutely! Making Rice Krispie treats the night before is a fantastic idea to save time and ensure that they are ready to be enjoyed when you need them. In fact, letting them sit overnight can actually enhance their flavor and texture. As the treats cool and set, the flavors have a chance to meld, resulting in a more cohesive and delicious treat. To do this, simply follow your favorite Rice Krispie treats recipe as usual, press the mixture into the pan, and let it cool and set overnight. Once they've had time to fully firm up, you can cut them into squares or any desired shapes. Store them in an airtight container or wrap them in plastic wrap to keep them fresh until you're ready to serve. Whether you're preparing for a special occasion, a party, or just craving a delightful treat, making Rice Krispie treats the night before can simplify your schedule and ensure that you have a delicious snack ready to enjoy.