A box of vanilla cake mix, oats, butter, peanut butter, an egg, and chocolate is all you need!

Lunch lady peanut butter bars are soft, chewy, and covered in a thick layer of peanut butter and decadent chocolate frosting.

These old school cafeteria-style Lunch Lady Peanut Butter Bars have a chewy peanut butter oatmeal cookie with rich chocolate frosting.

These Lunch Lady Peanut Butter Bars are the EXACT recipe they once served in schools! These peanut butter bars are so delicious!

These peanut butter bars are the easiest and most delicious dessert that will take you back to your childhood.

These lunch lady peanut butter bars are the perfect treat with a combination of peanut butter and chocolate that will satisfy any craving.

Lunch Lady Brownies... these look awesome!!

Lunch Lady Peanut Butter Bars have a soft, chewy peanut butter oatmeal cookie base, topped with creamy peanut butter & chocolate frosting.

Small batch peanut butter bars are a reduced size version of those delicious soft peanut butter cookie bars topped with chocolate frosting that the lunch lady at school use to make.