top secret recipe
- noun
- The chef refused to share her top secret recipe for the award-winning chocolate cake.
Examples
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They guarded their top secret recipe closely to ensure no one could replicate their famous barbecue sauce.
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After much persuasion, he revealed his top secret recipe for the perfect homemade pasta.
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First, they sneak away from Sam and Dean; then, Mrs. Tran hires a shady witch off Craigslist and practically gives her the top secret recipe for demon bombs.
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Synonyms
Secret method or recipe a business keeps to stay ahead of other companies
How Secret
Surface Forms
Morphology
The meaning 'a recipe kept highly confidential' is directly and transparently built from the constituents: 'top' (highest/most), 'secret' (confidential) and 'recipe' (method for cooking). The modifier+noun composition (top secret + recipe) follows a common and cross-linguistically familiar pattern, so a B1 learner who knows the words would readily infer the MWE meaning.
Etymology
The phrase top secret recipe paints a clear picture: a recipe kept locked away or known by only a few people as top secret, like a treasure no one may copy. So, it means a cooking method kept very 'private' so the dish stays special.