The phrase "some vegetable" is correct and usable in written English.
You can use it in a sentence to refer to any generic type of vegetable, such as: "I need to buy some vegetable for dinner tonight."
Heat some vegetable oil in preferably a large, non-stick frying pan.
Added sugar is found in chilled fruit soups and even some vegetable soups.
But salads seem dull and some vegetable mezze are served refrigerator-cold.
Many foods contain vitamin E, including some vegetable oils, wheat germ and nuts.
Some vegetable oils get close to one of the two, but none to both.
Hitler's repast usually consists of some vegetable stew, followed by stewed fruit as dessert.
If some vegetable matter should find itself in here as well, so much the better.
Then soak a tightly folded paper towel in some vegetable oil and, using tongs, wipe the grate with it.
Heat up some vegetable oil in the frying pan on a low heat and cook eggs until just set.
Meanwhile, pour some vegetable oil into a deep-frying pan or an electric deep-fat fryer and heat to 180C.
The typical British candy bar is made with some vegetable fat in place of the expensive cocoa butter.
