White Castle Allergen Guide

Complete allergen information for White Castle menu items. Learn which items contain common allergens and safe eating options for dietary restrictions.

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Important Safety Information

Cross-Contamination Risk: White Castle uses shared fryers and preparation surfaces. Cross-contamination is highly likely for items that come into contact with allergens.

Always Ask Staff: Ingredient suppliers change, menu items get modified, and preparation methods vary by location. Always inform staff of your allergy and ask about their procedures.

Read Labels: For packaged items, carefully read all ingredient labels. Allergen information is often printed on packaging.

Potentially Safe Items
May be safe - always confirm with staff
  • •Most sliders are NOT gluten-free
  • •Fries (check cross-contamination)
  • •Some beverages
Items to Avoid
Contains this allergen
  • ×All slider buns
  • ×Most breads
  • ×Many sauces and condiments
Additional Notes

Cross-contamination is likely in White Castle kitchens. Not recommended for celiac disease.

Dietary Accommodations

Vegetarian/Vegan

White Castle offers the Impossible Slider as a plant-based option. Fries (when not cooked in animal fat) are vegetarian. Ask about preparation methods.

Low-Calorie Options

Original Sliders (140 cal) are the lowest-calorie option. Use our nutrition calculator to plan your meal exactly.

Halal/Kosher

White Castle does not advertise halal or kosher certification. Contact your local location to ask about their sourcing and preparation methods.

Nutrition Info

Complete nutritional data for all menu items, including calories, fat, protein, sodium, and carbs.

Frequently Asked Questions

Can I get menu items without certain ingredients?

Most White Castle locations can customize sliders by removing ingredients (like onions or pickles). However, they cannot accommodate all modifications and cross-contamination risks remain.

Is there a complete allergen menu available?

White Castle publishes allergen information online. Call ahead to request detailed allergen documentation or speak with a manager about your specific allergies.

What should I do if I have a severe allergy?

For severe allergies, consider calling your White Castle location ahead of your visit. Speak with management about their food handling practices and cross-contamination protocols.