Peel and chop your potatoes into rough cubes. Wash your potatoes and place them into a large pot. Cover the potatoes and boil them until soft. In the meantime blend the raw spinach with 1/2 a cup of cream/milk. Once soft, drain your potatoes, use the same pot to melt the butter add in the garlic, once cooked add in the blended spinach and cook for a few seconds. Turn the stove off and throw in the drained potatoes, Mash the potatoes, spinach and garlic well together with the additional 1/2 cup of cream/milk. Add in more cream or milk if required.