noun
favourite food; favorite food
Refers to a food one particularly likes; often used in casual conversation.
寿司は私の大好物です。
Sushi is my favourite food.
彼の大好物はラーメンだ。
His favourite food is ramen.
好物 means 'favourite food' without the intensifying 大; 大好物 is more emphatic.
Compound of 大 (dai, 'big, great') + 好物 (kōbutsu, 'favourite food').