Our soft Lemon and Blueberry loaf cake recipe combines a classic zingy flavour combination with a gorgeously moist sponge. Blueberries can sometimes be quite tarte on their own but once you add them to this traditional sponge they become super sweet. Throw in the zest of one Lemon and a good dose of sugar and you'll see why our Lemon and Blueberry Loaf Cake recipe is one of the most flavoursome loaf cakes we've baked.