But first, our bakers need to battle through Patisserie Week to prove they are good enough to take the top prize.
The semi-finals saw the bakers having to get to grips with domed tartlets, a practically unknowable technical and an edible display case showstopper.
But who just missed out on the final?
Who left Great British Bake Off tonight?
Rosie missed out on a place in the final three.
"I am gutted," she said. "I just have to be happy with everything I've done so far."
The Great British Bake Off continues Tuesdays at 8pm on Channel 4