Cheddar Soup is quite a delicious treat and can easily be made at home. Cheddar soup recipe is quite easy to follow and is a perfect treat to be enjoyed at lunch or dinner. To prepare cheddar soup, the ingredients required include diced onions, pimentos, butter, all-purpose flour, chicken stock, cream, grated sharp cheddar, cream, green onions, salt and black pepper. The soup can be served with green onions for garnishing.