YOU SAID:
im gonna eat my favourite food spaghetti and meatballs
INTO JAPANESE
私の好きな食べ物のスパゲッティとミートボールを食べるつもりです
BACK INTO ENGLISH
I'm going to eat spaghetti and meatballs, my favorite foods
INTO JAPANESE
私の好きな食べ物であるスパゲッティとミートボールを食べます
BACK INTO ENGLISH
Eat my favorite foods, spaghetti and meatballs
INTO JAPANESE
私の好きな食べ物、スパゲッティ、ミートボールを食べる
BACK INTO ENGLISH
Eat my favorite foods, spaghetti and meatballs
That didn't even make that much sense in English.