Instructions

  1. In a large saute' pan melt butter with olive oil and saute' onions until golden brown.
  2. Combine both broths and sherry in a large pot and bring to a boil.
  3. Combine sugar and flour and sprinkle over onions stirring to combine. (To help prevent clumping place flour mixture in a mesh strainer and use to shake over onions.).
  4. Add onions to broth and simmer covered for 1 hour stirring occasionally salt and pepper to taste.
  5. Ladle soup into crocks and place a slice of bread and cheese on top. (To make it easier to eat the bread can be cut into bite size pieces before putting on soup.).
  6. Bake in 350 oven for about 5 minutes until cheese is melted.