There’s just something about the flavor of peanut butter and jelly that takes me straight back to childhood. And while I’m not packing lunchboxes anymore, I am always on the lookout for quick, ...

Nadiya's all-American traybake is made with peanut butter and jam. Serve with an extra dollop of jam, some Greek-style yoghurt and fresh raspberries on the side. You will need a brownie tin about ...