Bring about a cup of water to a boil either on the stove or in the microwave. Pour some into your mug to warm it and then pour the water back into it's container.
Add the bourbon to your warmed mug, then the honey, and then the lemon.
Top with the warm water and stir.
Float a lemon slice on top.
Video
Notes
Bourbon - can use any whiskey that you like. Honey - try to use a local honey, also can try other flavors of honey. Lemon juice - always try and used fresh squeezed, it is so much better than bottled!