Total Time
10hrs 40mins
Prep 10 mins
Cook 10 hrs 30 mins

A Cuisinart slow cooker recipe.

Ingredients Nutrition


  1. Combine onions, butter, olive oil and salt in the crock pot.
  2. Cover and cook on high for one hour.
  3. Reduce heat to low and cook for 5-6 hours, until nicely browned.
  4. Stir every hour so the onions color evenly.
  5. When onions are done, sprinkle in flour and sugar.
  6. Cook on low for 30 minutes, stirring occasionally.
  7. Add hot stock and cook on high for one hour.
  8. Reduce to low for 2 hours longer.
  9. Stir in Port.
  10. Serve soup with slices of toasted French bread, topped with melted Parmesan cheese.