Tag: French onion soup gluten

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Is French Onion Soup from Panera Gluten Free? The Definitive Answer

Dec 31, 2025 •

4 min read

According to Panera's allergen information, their Bistro French Onion Soup contains wheat due to ingredients like soy sauce and croutons. For anyone with celiac disease, a severe gluten sensitivity, or a wheat allergy, consuming this soup carries a significant health risk.