Fudge Ripple Monster Bars

Traditional monster cookies are oatmeal cookies with peanut butter, chocolate chips, and M&Ms^®. Take those same ingredients, remix them, and you’ve got the monster cookie’s funky younger sister. What you see here are soft peanut butter cookie bars, with lots of M&Ms^®, and some chewy oats for texture. Instead of simply adding chocolate chips to the dough, I opted to melt them down into a fudge-like consistency to create a decadent ripple in the center. Try to re