Preparation Combine all ingredients in a 3- to 4-quart heavy pot and bring to a boil, stirring occasionally. Simmer, covered, stirring occasionally, until thickened and creamy, about 1 1/2 hours.
Preparation Combine all ingredients in a 3- to 4-quart heavy pot and bring to a boil, stirring occasionally. Simmer, covered, stirring occasionally, until thickened and creamy, about 1 1/2 hours.