Heat up a large pot and put in the ghee
Once ghee is heated add in the leek and onion and cook for about 6 minutes
Add in the garlic and continue to cook for an additional minute
Add in the broth, potatoes, and seasonings to the pot and bring to a boil
Turn heat to a simmer and put lid on the pot - cook for 20 minutes or until potatoes are tender
Remove half of the soup into a blender or a bowl (to use a hand blender) blend until smooth and add back into the pot and stir
Serve with bacon on top!