Nouns ending in a consonant followed by -y change the -y to -ies in the plural form.
Deep-fat-fry is regular. It follows the -ies Conversion rule.
Use plural verbs: "The deep-fat-fries are ready" (not "is ready").
Yes. The plural deep-fat-fries is standard across all English variants.
The word deep-fat-fry follows the standard English pluralization rule. When forming the plural, deep-fat-fry becomes deep-fat-fries. This follows the -ies Conversion pattern, which is one of the most common plural rules in English.
Understanding why deep-fat-fry becomes deep-fat-fries helps with spelling and pronunciation. Nouns ending in a consonant followed by -y change the -y to -ies in the plural form.
When using deep-fat-fries in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The deep-fat-fries are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.