Panera Bistro French Onion Soup
Caramelized onion soup topped with cheese and croissant croutons, available in three serving styles.

The Bistro French Onion Soup comes in cup, bowl and bread bowl servings. Compare the three sizes rather than assuming their nutrition is interchangeable.
What’s in Bistro French Onion Soup
This bistro-style serving is described by its core elements:
- Caramelized onion soup
- Cheese topping
- Croissant croutons
Price
Choose a cup, bowl or bread bowl before comparing local prices. Typical price: Cup about $5–$7; bowl or bread bowl about $7–$11.
Prices vary by café and are not set nationally. Figures are typical US ranges. Confirm in the Panera app for your location. Official nutrition guides do not list prices.
Nutrition facts by size
Panera Bread® Nutrition Guide, effective 9/2/2026, Edition 1 (c8-26). Bowl is approximately 1.5 cups.
| Nutrient | Cup | Bowl (~1.5 cups) | Bread bowl |
|---|---|---|---|
| Calories | 200 | 300 | 850 |
| Calories from fat | 90 | 130 | 110 |
| Total fat | 10 g | 14 g | 12 g |
| Saturated fat | 5 g | 8 g | 6 g |
| Trans fat | 0 g | 0 g | 0 g |
| Cholesterol | 20 mg | 30 mg | 20 mg |
| Sodium | 1,210 mg | 1,820 mg | 2,550 mg |
| Total carbohydrates | 22 g | 33 g | 158 g |
| Dietary fiber | 1 g | 1 g | 5 g |
| Total sugars | 11 g | 16 g | 15 g |
| Protein | 6 g | 10 g | 27 g |
These are the supplied cup, bowl and bread bowl values; preparation or substitutions may alter nutrition.
Allergens
Contains wheat, milk, and egg.
Panera’s allergen guide notes shared equipment and bakery-café preparation, so it cannot guarantee any item is free of allergens. Confirm with your local café if you have a food allergy.
Ordering tips
- A cup has 200 calories compared with 300 for a bowl.
- The bread bowl has 158 g carbohydrates and 2,550 mg sodium in the supplied guide.
- Ask your café about toppings or shared handling if you have an allergy.
See the full soup menu or compare Broccoli Cheddar Soup.
Bistro French Onion Soup FAQs
Sources & disclaimer
Facts are rewritten for readers of Panera Bread Menus from Panera Bread’s publicly published materials:
- Panera Bread® Nutrition Guide (effective 9/2/2026, Edition 1 / c8-26)
- Panera Bread allergen guide (c8-26)
- Panera Fall 2026 catering menu (product descriptions)
This site is not affiliated with Panera Bread, LLC. Trademarks belong to their respective owners. Menu items, prices, and nutrition can change without notice; verify in the Panera app or at your bakery-café before ordering. Read our full disclaimer.
