lemon cheese,
lemon curd a conserve with a thick consistency; made with lemons and butter and eggs and sugar
jelly a preserve made of the jelled juice of fruit
Verb
conserve -
keep in safety and protect from harm, decay, loss, or destruction; "We preserve these archeological findings"; "The old lady could not keep up the building"; "children must be taught to conserve our national heritage"; "The museum curator conserved the ancient manuscripts"
cookery,
cooking,
preparation the act of preparing something (as food) by the application of heat; "cooking can be a great art"; "people are needed who have experience in cookery"; "he left the preparation of meals to his wife"
conserve -
keep constant through physical or chemical reactions or evolutionary change; "Energy is conserved in this process"