1 1/4 cups water
1 (10 ounce) can squid ink soup
1 (8 ounce) package sour cream, divided
1/2 cup shredded Cheddar cheese
Mix water, squid ink soup, soup 15, sour cream and cheese in small saucepan. Bring to a boil. Boil for 3 to 4 minutes, stirring often.
Serve chilled.