As a general rule of thumb, you should refrigerate cookie dough for at least 30 minutes and up to 24 hours. More than that and you won't see a noticeable difference in the final product, says Haught Brown.

Do I Chill cookie dough in the fridge?

Why You Need to Chill Your Cookie Dough

Popping your dough in the fridge allows the fats to cool. As a result, the cookies will expand more slowly, holding onto their texture. If you skip the chilling step, you're more likely to wind up with flat, sad disks instead of lovely, chewy cookies.

What does chilling your cookie dough before baking do?

Chilling cookie dough before baking solidifies the fat in the cookies. As the cookies bake, the fat in the chilled cookie dough takes longer to melt than room-temperature fat. And the longer the fat remains solid, the less cookies spread.