Tag: Bistro french onion soup

Explore our comprehensive collection of health articles in this category.

How many calories are in Panera's French onion soup? A full breakdown

Dec 12, 2025 •

3 min read

According to Panera's official nutrition information, a standard bowl of their Bistro French Onion Soup contains 290 calories. However, this number changes significantly based on the portion size and whether it is served in a bread bowl.