The chef prepared an unctuous sauce for the pasta.

Having a rich, smooth, and often greasy texture, typically used to describe food that is rich in fat.
The dessert was unctuous and satisfying.
He enjoyed the unctuous flavor of the butter.
The dish had an unctuous quality that made it irresistible.
unctuous sauce
unctuous texture
unctuous flavor
rich
smooth
creamy
The unctuous sauce coated the pasta perfectly.

Describing something that is smooth and greasy in texture or feel.
The unctuous cream made the dessert rich.
He enjoyed the unctuous texture of the avocado.
The unctuous oil added flavor to the salad.
unctuous texture
unctuous flavor
unctuous sauce
greasy
oily
smooth
His unctuous compliments made her feel uncomfortable.

Describing someone who is overly flattering or ingratiating.
Her unctuous behavior made everyone suspicious.
The salesman's unctuous tone was hard to trust.
I found his unctuous remarks quite annoying.
unctuous praise
unctuous tone
unctuous flattery
insincere
obsequious
sycophantic