The idiomatic expression "amount of dough" means a large sum of money. It is often used in reference to someone having or not having enough funds, as well as discussing how much wealth one has accumulated over time.
Take a small amount of the dough into your hands to make sure it will roll and stay together. (getoffyourtushandcook.com)
It's much easier to buckle down and monitor expenses when buddies aren't spending large amounts of dough during outings and celebrations. (simplethriftyliving.com)
It works wonderfully and is the perfect amount of dough for this recipe. (delightfulemade.com)