Cheddar cheese, coarsely grated, as an accompaniment, if desired
Recipe
1. In a kettle, cook the onions with the bay leaf in the butter over moderate heat, stirring occasionally, for 20 minutes, or until they are golden.
2. Add the beer; bring the mixture to a boil, and boil it, stirring, for 5 minutes. Add the broth, the bitters, salt and pepper. Bring to a boil and simmer for 2 minutes. Discard the bay leaf.
3. Divide the soup between 2 heated individual serving bowls. Sprinkle the Cheddar cheese over it, if desired.