When the Dr Pepper is sufficiently warm, add the lemon slices to the Crock-Pot so everything can marinate together, then serve it in your favorite mug. Yep, it's really that easy. So, grab your ...

To make this trending tipple, you just heat Dr Pepper, add a slice of lemon and serve. You can warm it up in a mug once the carbonation dies down, or just Crock-Pot a whole 2-liter for a crowd.