それで

and; thereupon; because of that​

MNN28-4

indicates what what is about to be said follows on from previous statement

それに is used when you have additional information, such as “in addition”, “on top of it”, etc.
それで is used when you want to say “and so”, “therefore” etc.
ラーメンは安いし、おいしいし、それにカロリーも少ないです。それでよく食べます。