Diners Praise 5 Restaurant Chains for the Best Baked French Onion Soup, According to Reviews

The Capital Grille’s Rich Bowl
The Capital Grille serves French onion soup with sweet, caramelized onions and dry sherry. Grana Padano croutons sit beneath melted Swiss and mozzarella cheese. One Reddit user praised the soup, calling it a standout. The restaurant is also known for its steaks, sides and starters.
LongHorn’s Savory Soup
LongHorn Steakhouse drew praise from a Reddit user, who described its French onion soup as a strong value. An Eat This, Not That reviewer also praised the broth, caramelized onions and melted cheese. The reviewer said the soup could satisfy cravings without a trip to a Parisian café.
Outback’s Fan Favorite
Outback’s French onion soup is served in a traditional crock and topped with melted gruyere. One Reddit user described a rich broth filled with caramelized onions. The restaurant serves the soup with complimentary brown bread. A Reddit user praised the bread’s sweet molasses flavor and said it paired well with butter.
Two Steakhouse Choices
At Ruth’s Chris Steakhouse, an Instagram user praised the thick soup, noting its sherry and beef broth, with Swiss cheese enhancing the flavor. A customer at Morton’s The Steakhouse called its French onion soup the best they had tried, alongside praise for the steak and wine selection.
Key points
- The Capital Grille’s soup combines caramelized onions, dry sherry, croutons and melted cheeses.
- LongHorn Steakhouse earned praise for its savory broth, onions and value.
- Outback serves its soup with melted gruyere and complimentary brown bread.
- Diners also praised French onion soup at Ruth’s Chris and Morton’s.

