Gamja-tang(감자탕) or pork back-bone stew[ is a spicy Korean soup made from the spine or neck bones of a pork. It often contains potatoes, , dried radish greens,  hot peppers and ground sesame seedses, 
Gamjatang is a spicy Korean pork bone soup. It is made by simmering pork bones for a long time then the strained milky bone broth is seasoned with Korean special condiments such as gochugaru (Korean chili flakes) 
The soup is very hearty and comforting so it’s perfect for cold wintry weather. Let’s make it your self!