Why Is My White Chocolate Ganache Not Setting and How to Fix It?

Why Is My White Chocolate Ganache Not Setting and How to Fix It?

You spent an hour perfecting that blueberry cheesecake for Mother’s Day, drizzled a silky white chocolate ganache on top, and then—nothing. Hours later, it’s still a puddle, refusing to firm up. You’re not alone. This exact scenario popped up on a Reddit baking forum just last week, and the anxiety is real. But here’s the good news: white chocolate ganache is notoriously finicky, and with a little food science know-how, you can almost always rescue it. Let’s break down why it happens and exactly what to do.