What is the rule for commas in this sentence? "You will need bread peanut butter a knife and a plate. Start your answer with "The rule is "

The rule is that you need a comma after list items.

"You will need bread, peanut butter, a knife, and a plate."

Step-by-step explanation:

See below

Step-by-step explanation:

The rule is that in a list, you should put your commas after each item. So the correct sentence with commas is "You will need bread, peanut butter, a knife, and a plate.