Combine all the ingredients in a crock pot. Whisk well. Cook on high for 1 hour.
Whisk to make sure the baking chocolate is melted. Turn to low and serve.
You can keep it on low for up to 3 hours. If you need to keep it hot longer turn to the keep warm setting to avoid the hot chocolate burning.
This is thick and rich. If you prefer a thinner hot chocolate you can add more almond milk. I recommend starting with 1 teaspoon peppermint extract and then adding more right before serving if you want it mintier. A little goes a long way.