{"id":6367,"slug":"mustard-sauce-cold","title":"Mustard sauce, cold","description":"From The Hotel St. Francis Cook Book (1919) by Victor Hirtzler.","ingredients_raw":["one cup of mayonnaise sauce","one soupspoonful of French mustard"],"ingredients_norm":["mayonnaise sauce","soupspoonful of french mustard"],"steps":["To one cup of mayonnaise sauce add one soupspoonful of French mustard.","Mix well."],"categories":[],"prep_time_minutes":null,"cook_time_minutes":null,"total_time_minutes":null,"servings":null,"yield_text":null,"difficulty":null,"source_name":"gutenberg","source_url":"https://www.gutenberg.org/ebooks/39550","source_ref":"pg:39550:w130:17","authors_url":null,"license":"Public domain (US)","license_url":null,"extraction_confidence":0.95,"content_hash":"2fe76bb72effd84ec48abf93f062f999953ae08295c0572b13c079bf0286b731","created_at":"2026-08-02T16:51:58Z","updated_at":"2026-08-02T16:51:58Z","notice":"Historical recipe (1919), reproduced as published: it may reflect its era's ingredients, language, and food-safety practices. Apply modern judgment on cooking temperatures and preservation.","url":"https://recipecontextprotocol.com/recipes/mustard-sauce-cold"}