In weblio's entry about recommend (note: I can't understand the Japanese content), an example is given of "recommend" being followed by an infinitive:
She recommended me to try this oil for sunburn.
Is this valid English?
In weblio's entry about recommend (note: I can't understand the Japanese content), an example is given of "recommend" being followed by an infinitive:
She recommended me to try this oil for sunburn.
Is this valid English?
Yes, this is acceptable in all registers. Recommend may take a that, gerund, or infinitive complement:
She recommended that I try this oil for sunburn. ... with ‘mandative subjunctive’
She recommended {me / my / ∅} trying this oil for sunburn.
She recommended me to try this oil for sunburn. ... with subject ‘raised’ in object case, as the indirect object of recommend
An older use which appears to have virtually disappeared is the infinitive with prepositional dative:
She recommended to me to try this oil for sunburn.
You could also use "She recommended I try this oil for sunburn" or "She recommended this oil for sunburn". The latter is slightly ambiguous!