Okay, so you’ve got your standard pouch of peanut butter cookie mix. It usually asks for water, oil, and an egg. Stop right there. Toss the instructions for the "water" and use melted butter instead. Use brown sugar instead of white, if you have it. This simple swap will turn a "meh" cookie into a "mom, these are amazing" cookie.
Next, beat your egg with a splash of vanilla extract before you mix it in. It’s a tiny step, but it’s like putting a secret smile on every cookie. And for the love of all that is good, chill the dough for 20 minutes. It stops them from turning into flat, greasy pancakes. Patience is a virtue, and it’s a virtue that tastes amazing.